Home / 65,699,068.28-90,665,301.12-36,332,377.40

Finding the Fourth Proportional to 65,699,068.28, 90,665,301.12 and 36,332,377.40

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Solution

The fourth proportional to 65,699,068.28, 90,665,301.12 and 36,332,377.40 is: 50,139,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699,068.28 : 90,665,301.12 = 36,332,377.40 : x
  2. Step 2: Convert to fraction form
    65,699,068.28/90,665,301.12 = 36,332,377.40/x
  3. Step 3: Cross multiply
    65,699,068.28x = 90,665,301.12 × 36,332,377.40
  4. Step 4: Simplify right side
    65,699,068.28x = 3,294,085,937,376,482.50
  5. Step 5: Solve for x
    x = 3,294,085,937,376,482.50/65,699,068.28
  6. Step 6: Final answer
    x = 50,139,005.37

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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.