Home / 78,732,386.30-118,098,579.45-70,796,200.70

Finding the Fourth Proportional to 78,732,386.30, 118,098,579.45 and 70,796,200.70

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Solution

The fourth proportional to 78,732,386.30, 118,098,579.45 and 70,796,200.70 is: 106,194,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,386.30 : 118,098,579.45 = 70,796,200.70 : x
  2. Step 2: Convert to fraction form
    78,732,386.30/118,098,579.45 = 70,796,200.70/x
  3. Step 3: Cross multiply
    78,732,386.30x = 118,098,579.45 × 70,796,200.70
  4. Step 4: Simplify right side
    78,732,386.30x = 8,360,930,733,127,096
  5. Step 5: Solve for x
    x = 8,360,930,733,127,096/78,732,386.30
  6. Step 6: Final answer
    x = 106,194,301.05

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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.