Home / 288,263,430.54-432,407,104.02-83,791,505.76

Finding the Fourth Proportional to 288,263,430.54, 432,407,104.02 and 83,791,505.76

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Solution

The fourth proportional to 288,263,430.54, 432,407,104.02 and 83,791,505.76 is: 125,690,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,263,430.54 : 432,407,104.02 = 83,791,505.76 : x
  2. Step 2: Convert to fraction form
    288,263,430.54/432,407,104.02 = 83,791,505.76/x
  3. Step 3: Cross multiply
    288,263,430.54x = 432,407,104.02 × 83,791,505.76
  4. Step 4: Simplify right side
    288,263,430.54x = 36,232,042,347,156,752
  5. Step 5: Solve for x
    x = 36,232,042,347,156,752/288,263,430.54
  6. Step 6: Final answer
    x = 125,690,734.61

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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.