Home / 142,663,492.80-213,853,521.60-65,852,553.60

Finding the Fourth Proportional to 142,663,492.80, 213,853,521.60 and 65,852,553.60

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Solution

The fourth proportional to 142,663,492.80, 213,853,521.60 and 65,852,553.60 is: 98,713,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,663,492.80 : 213,853,521.60 = 65,852,553.60 : x
  2. Step 2: Convert to fraction form
    142,663,492.80/213,853,521.60 = 65,852,553.60/x
  3. Step 3: Cross multiply
    142,663,492.80x = 213,853,521.60 × 65,852,553.60
  4. Step 4: Simplify right side
    142,663,492.80x = 14,082,800,493,712,758
  5. Step 5: Solve for x
    x = 14,082,800,493,712,758/142,663,492.80
  6. Step 6: Final answer
    x = 98,713,414.46

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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.