Home / 107,688,386.07-148,607,954.33-65,869,379.42

Finding the Fourth Proportional to 107,688,386.07, 148,607,954.33 and 65,869,379.42

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Solution

The fourth proportional to 107,688,386.07, 148,607,954.33 and 65,869,379.42 is: 90,898,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,688,386.07 : 148,607,954.33 = 65,869,379.42 : x
  2. Step 2: Convert to fraction form
    107,688,386.07/148,607,954.33 = 65,869,379.42/x
  3. Step 3: Cross multiply
    107,688,386.07x = 148,607,954.33 × 65,869,379.42
  4. Step 4: Simplify right side
    107,688,386.07x = 9,788,713,727,520,414
  5. Step 5: Solve for x
    x = 9,788,713,727,520,414/107,688,386.07
  6. Step 6: Final answer
    x = 90,898,508.97

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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.