Home / 84,249,113.10-126,373,669.65-74,683,175.10

Finding the Fourth Proportional to 84,249,113.10, 126,373,669.65 and 74,683,175.10

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Solution

The fourth proportional to 84,249,113.10, 126,373,669.65 and 74,683,175.10 is: 112,024,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249,113.10 : 126,373,669.65 = 74,683,175.10 : x
  2. Step 2: Convert to fraction form
    84,249,113.10/126,373,669.65 = 74,683,175.10/x
  3. Step 3: Cross multiply
    84,249,113.10x = 126,373,669.65 × 74,683,175.10
  4. Step 4: Simplify right side
    84,249,113.10x = 9,437,986,898,500,506
  5. Step 5: Solve for x
    x = 9,437,986,898,500,506/84,249,113.10
  6. Step 6: Final answer
    x = 112,024,762.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.