Home / 134,838,000.10-202,257,000.15-77,507,107.30

Finding the Fourth Proportional to 134,838,000.10, 202,257,000.15 and 77,507,107.30

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Solution

The fourth proportional to 134,838,000.10, 202,257,000.15 and 77,507,107.30 is: 116,260,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838,000.10 : 202,257,000.15 = 77,507,107.30 : x
  2. Step 2: Convert to fraction form
    134,838,000.10/202,257,000.15 = 77,507,107.30/x
  3. Step 3: Cross multiply
    134,838,000.10x = 202,257,000.15 × 77,507,107.30
  4. Step 4: Simplify right side
    134,838,000.10x = 15,676,355,012,802,166
  5. Step 5: Solve for x
    x = 15,676,355,012,802,166/134,838,000.10
  6. Step 6: Final answer
    x = 116,260,660.95

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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.