Home / 65,937,509.69-90,981,731.83-38,050,046.15

Finding the Fourth Proportional to 65,937,509.69, 90,981,731.83 and 38,050,046.15

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Solution

The fourth proportional to 65,937,509.69, 90,981,731.83 and 38,050,046.15 is: 52,502,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,509.69 : 90,981,731.83 = 38,050,046.15 : x
  2. Step 2: Convert to fraction form
    65,937,509.69/90,981,731.83 = 38,050,046.15/x
  3. Step 3: Cross multiply
    65,937,509.69x = 90,981,731.83 × 38,050,046.15
  4. Step 4: Simplify right side
    65,937,509.69x = 3,461,859,094,938,424
  5. Step 5: Solve for x
    x = 3,461,859,094,938,424/65,937,509.69
  6. Step 6: Final answer
    x = 52,502,120.74

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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.