Home / 65,746,618.80-90,733,005.72-36,377,473.20

Finding the Fourth Proportional to 65,746,618.80, 90,733,005.72 and 36,377,473.20

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Solution

The fourth proportional to 65,746,618.80, 90,733,005.72 and 36,377,473.20 is: 50,202,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746,618.80 : 90,733,005.72 = 36,377,473.20 : x
  2. Step 2: Convert to fraction form
    65,746,618.80/90,733,005.72 = 36,377,473.20/x
  3. Step 3: Cross multiply
    65,746,618.80x = 90,733,005.72 × 36,377,473.20
  4. Step 4: Simplify right side
    65,746,618.80x = 3,300,637,483,934,747
  5. Step 5: Solve for x
    x = 3,300,637,483,934,747/65,746,618.80
  6. Step 6: Final answer
    x = 50,202,391.30

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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.