Home / 72,301,142.90-99,738,683.96-46,168,184.18

Finding the Fourth Proportional to 72,301,142.90, 99,738,683.96 and 46,168,184.18

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Solution

The fourth proportional to 72,301,142.90, 99,738,683.96 and 46,168,184.18 is: 63,688,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,142.90 : 99,738,683.96 = 46,168,184.18 : x
  2. Step 2: Convert to fraction form
    72,301,142.90/99,738,683.96 = 46,168,184.18/x
  3. Step 3: Cross multiply
    72,301,142.90x = 99,738,683.96 × 46,168,184.18
  4. Step 4: Simplify right side
    72,301,142.90x = 4,604,753,930,936,091
  5. Step 5: Solve for x
    x = 4,604,753,930,936,091/72,301,142.90
  6. Step 6: Final answer
    x = 63,688,535.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.