Home / 79,251,754.20-118,881,368.01-65,393,008.13

Finding the Fourth Proportional to 79,251,754.20, 118,881,368.01 and 65,393,008.13

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Solution

The fourth proportional to 79,251,754.20, 118,881,368.01 and 65,393,008.13 is: 98,092,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251,754.20 : 118,881,368.01 = 65,393,008.13 : x
  2. Step 2: Convert to fraction form
    79,251,754.20/118,881,368.01 = 65,393,008.13/x
  3. Step 3: Cross multiply
    79,251,754.20x = 118,881,368.01 × 65,393,008.13
  4. Step 4: Simplify right side
    79,251,754.20x = 7,774,010,264,189,045
  5. Step 5: Solve for x
    x = 7,774,010,264,189,045/79,251,754.20
  6. Step 6: Final answer
    x = 98,092,595.46

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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.