Home / 139,538,737.10-192,563,459.76-77,673,690.28

Finding the Fourth Proportional to 139,538,737.10, 192,563,459.76 and 77,673,690.28

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Solution

The fourth proportional to 139,538,737.10, 192,563,459.76 and 77,673,690.28 is: 107,189,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,538,737.10 : 192,563,459.76 = 77,673,690.28 : x
  2. Step 2: Convert to fraction form
    139,538,737.10/192,563,459.76 = 77,673,690.28/x
  3. Step 3: Cross multiply
    139,538,737.10x = 192,563,459.76 × 77,673,690.28
  4. Step 4: Simplify right side
    139,538,737.10x = 14,957,114,532,643,482
  5. Step 5: Solve for x
    x = 14,957,114,532,643,482/139,538,737.10
  6. Step 6: Final answer
    x = 107,189,694.01

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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.