Home / 129,807,926.98-179,127,842.44-71,059,226.90

Finding the Fourth Proportional to 129,807,926.98, 179,127,842.44 and 71,059,226.90

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Solution

The fourth proportional to 129,807,926.98, 179,127,842.44 and 71,059,226.90 is: 98,057,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807,926.98 : 179,127,842.44 = 71,059,226.90 : x
  2. Step 2: Convert to fraction form
    129,807,926.98/179,127,842.44 = 71,059,226.90/x
  3. Step 3: Cross multiply
    129,807,926.98x = 179,127,842.44 × 71,059,226.90
  4. Step 4: Simplify right side
    129,807,926.98x = 12,728,686,000,051,410
  5. Step 5: Solve for x
    x = 12,728,686,000,051,410/129,807,926.98
  6. Step 6: Final answer
    x = 98,057,848.21

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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.