Home / 43,117,345.85-64,346,035.06-38,516,728.91

Finding the Fourth Proportional to 43,117,345.85, 64,346,035.06 and 38,516,728.91

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Solution

The fourth proportional to 43,117,345.85, 64,346,035.06 and 38,516,728.91 is: 57,480,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117,345.85 : 64,346,035.06 = 38,516,728.91 : x
  2. Step 2: Convert to fraction form
    43,117,345.85/64,346,035.06 = 38,516,728.91/x
  3. Step 3: Cross multiply
    43,117,345.85x = 64,346,035.06 × 38,516,728.91
  4. Step 4: Simplify right side
    43,117,345.85x = 2,478,398,788,565,791.50
  5. Step 5: Solve for x
    x = 2,478,398,788,565,791.50/43,117,345.85
  6. Step 6: Final answer
    x = 57,480,318.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.