Home / 69,068,557.13-95,314,913.27-38,128,980.65

Finding the Fourth Proportional to 69,068,557.13, 95,314,913.27 and 38,128,980.65

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Solution

The fourth proportional to 69,068,557.13, 95,314,913.27 and 38,128,980.65 is: 52,618,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068,557.13 : 95,314,913.27 = 38,128,980.65 : x
  2. Step 2: Convert to fraction form
    69,068,557.13/95,314,913.27 = 38,128,980.65/x
  3. Step 3: Cross multiply
    69,068,557.13x = 95,314,913.27 × 38,128,980.65
  4. Step 4: Simplify right side
    69,068,557.13x = 3,634,260,483,061,039
  5. Step 5: Solve for x
    x = 3,634,260,483,061,039/69,068,557.13
  6. Step 6: Final answer
    x = 52,618,161.35

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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.