Home / 43,117,346.85-64,346,036.55-38,516,729.91

Finding the Fourth Proportional to 43,117,346.85, 64,346,036.55 and 38,516,729.91

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Solution

The fourth proportional to 43,117,346.85, 64,346,036.55 and 38,516,729.91 is: 57,480,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117,346.85 : 64,346,036.55 = 38,516,729.91 : x
  2. Step 2: Convert to fraction form
    43,117,346.85/64,346,036.55 = 38,516,729.91/x
  3. Step 3: Cross multiply
    43,117,346.85x = 64,346,036.55 × 38,516,729.91
  4. Step 4: Simplify right side
    43,117,346.85x = 2,478,398,910,575,338
  5. Step 5: Solve for x
    x = 2,478,398,910,575,338/43,117,346.85
  6. Step 6: Final answer
    x = 57,480,320.37

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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.