Home / 92,688,007.20-139,081,777.20-38,840,762.40

Finding the Fourth Proportional to 92,688,007.20, 139,081,777.20 and 38,840,762.40

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Solution

The fourth proportional to 92,688,007.20, 139,081,777.20 and 38,840,762.40 is: 58,281,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,688,007.20 : 139,081,777.20 = 38,840,762.40 : x
  2. Step 2: Convert to fraction form
    92,688,007.20/139,081,777.20 = 38,840,762.40/x
  3. Step 3: Cross multiply
    92,688,007.20x = 139,081,777.20 × 38,840,762.40
  4. Step 4: Simplify right side
    92,688,007.20x = 5,402,042,262,394,937
  5. Step 5: Solve for x
    x = 5,402,042,262,394,937/92,688,007.20
  6. Step 6: Final answer
    x = 58,281,998.13

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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.