Home / 85,180,288.59-127,719,366.36-39,064,397.40

Finding the Fourth Proportional to 85,180,288.59, 127,719,366.36 and 39,064,397.40

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Solution

The fourth proportional to 85,180,288.59, 127,719,366.36 and 39,064,397.40 is: 58,573,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,288.59 : 127,719,366.36 = 39,064,397.40 : x
  2. Step 2: Convert to fraction form
    85,180,288.59/127,719,366.36 = 39,064,397.40/x
  3. Step 3: Cross multiply
    85,180,288.59x = 127,719,366.36 × 39,064,397.40
  4. Step 4: Simplify right side
    85,180,288.59x = 4,989,280,083,163,231
  5. Step 5: Solve for x
    x = 4,989,280,083,163,231/85,180,288.59
  6. Step 6: Final answer
    x = 58,573,176.56

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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.