Home / 101,209,346.40-139,668,963.12-54,799,631.04

Finding the Fourth Proportional to 101,209,346.40, 139,668,963.12 and 54,799,631.04

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Solution

The fourth proportional to 101,209,346.40, 139,668,963.12 and 54,799,631.04 is: 75,623,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,209,346.40 : 139,668,963.12 = 54,799,631.04 : x
  2. Step 2: Convert to fraction form
    101,209,346.40/139,668,963.12 = 54,799,631.04/x
  3. Step 3: Cross multiply
    101,209,346.40x = 139,668,963.12 × 54,799,631.04
  4. Step 4: Simplify right side
    101,209,346.40x = 7,653,807,646,715,367
  5. Step 5: Solve for x
    x = 7,653,807,646,715,367/101,209,346.40
  6. Step 6: Final answer
    x = 75,623,526.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.