Home / 109,406,404.80-163,885,658.40-55,584,043.20

Finding the Fourth Proportional to 109,406,404.80, 163,885,658.40 and 55,584,043.20

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Solution

The fourth proportional to 109,406,404.80, 163,885,658.40 and 55,584,043.20 is: 83,262,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,406,404.80 : 163,885,658.40 = 55,584,043.20 : x
  2. Step 2: Convert to fraction form
    109,406,404.80/163,885,658.40 = 55,584,043.20/x
  3. Step 3: Cross multiply
    109,406,404.80x = 163,885,658.40 × 55,584,043.20
  4. Step 4: Simplify right side
    109,406,404.80x = 9,109,427,516,366,044
  5. Step 5: Solve for x
    x = 9,109,427,516,366,044/109,406,404.80
  6. Step 6: Final answer
    x = 83,262,287.37

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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.