Home / 118,551,059.28-163,602,398.95-64,904,825.54

Finding the Fourth Proportional to 118,551,059.28, 163,602,398.95 and 64,904,825.54

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Solution

The fourth proportional to 118,551,059.28, 163,602,398.95 and 64,904,825.54 is: 89,569,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,551,059.28 : 163,602,398.95 = 64,904,825.54 : x
  2. Step 2: Convert to fraction form
    118,551,059.28/163,602,398.95 = 64,904,825.54/x
  3. Step 3: Cross multiply
    118,551,059.28x = 163,602,398.95 × 64,904,825.54
  4. Step 4: Simplify right side
    118,551,059.28x = 10,618,585,162,021,972
  5. Step 5: Solve for x
    x = 10,618,585,162,021,972/118,551,059.28
  6. Step 6: Final answer
    x = 89,569,719.80

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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.