Home / 85,178,117.40-127,767,176.10-46,824,811.80

Finding the Fourth Proportional to 85,178,117.40, 127,767,176.10 and 46,824,811.80

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Solution

The fourth proportional to 85,178,117.40, 127,767,176.10 and 46,824,811.80 is: 70,237,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,117.40 : 127,767,176.10 = 46,824,811.80 : x
  2. Step 2: Convert to fraction form
    85,178,117.40/127,767,176.10 = 46,824,811.80/x
  3. Step 3: Cross multiply
    85,178,117.40x = 127,767,176.10 × 46,824,811.80
  4. Step 4: Simplify right side
    85,178,117.40x = 5,982,673,975,099,957
  5. Step 5: Solve for x
    x = 5,982,673,975,099,957/85,178,117.40
  6. Step 6: Final answer
    x = 70,237,217.70

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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.