Home / 134,838,002.10-202,257,003.15-77,507,109.30

Finding the Fourth Proportional to 134,838,002.10, 202,257,003.15 and 77,507,109.30

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Solution

The fourth proportional to 134,838,002.10, 202,257,003.15 and 77,507,109.30 is: 116,260,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838,002.10 : 202,257,003.15 = 77,507,109.30 : x
  2. Step 2: Convert to fraction form
    134,838,002.10/202,257,003.15 = 77,507,109.30/x
  3. Step 3: Cross multiply
    134,838,002.10x = 202,257,003.15 × 77,507,109.30
  4. Step 4: Simplify right side
    134,838,002.10x = 15,676,355,649,837,494
  5. Step 5: Solve for x
    x = 15,676,355,649,837,494/134,838,002.10
  6. Step 6: Final answer
    x = 116,260,663.95

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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.