Home / 127,764,281.30-191,788,139.55-79,296,862.10

Finding the Fourth Proportional to 127,764,281.30, 191,788,139.55 and 79,296,862.10

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Solution

The fourth proportional to 127,764,281.30, 191,788,139.55 and 79,296,862.10 is: 119,033,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764,281.30 : 191,788,139.55 = 79,296,862.10 : x
  2. Step 2: Convert to fraction form
    127,764,281.30/191,788,139.55 = 79,296,862.10/x
  3. Step 3: Cross multiply
    127,764,281.30x = 191,788,139.55 × 79,296,862.10
  4. Step 4: Simplify right side
    127,764,281.30x = 15,208,197,654,311,906
  5. Step 5: Solve for x
    x = 15,208,197,654,311,906/127,764,281.30
  6. Step 6: Final answer
    x = 119,033,250.14

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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.