Home / 47,925,122.40-71,887,683.60-28,746,007.20

Finding the Fourth Proportional to 47,925,122.40, 71,887,683.60 and 28,746,007.20

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Solution

The fourth proportional to 47,925,122.40, 71,887,683.60 and 28,746,007.20 is: 43,119,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925,122.40 : 71,887,683.60 = 28,746,007.20 : x
  2. Step 2: Convert to fraction form
    47,925,122.40/71,887,683.60 = 28,746,007.20/x
  3. Step 3: Cross multiply
    47,925,122.40x = 71,887,683.60 × 28,746,007.20
  4. Step 4: Simplify right side
    47,925,122.40x = 2,066,483,870,356,921.75
  5. Step 5: Solve for x
    x = 2,066,483,870,356,921.75/47,925,122.40
  6. Step 6: Final answer
    x = 43,119,010.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.