Home / 80,406,998.46-120,623,950.44-63,134,502.66

Finding the Fourth Proportional to 80,406,998.46, 120,623,950.44 and 63,134,502.66

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Solution

The fourth proportional to 80,406,998.46, 120,623,950.44 and 63,134,502.66 is: 94,712,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,998.46 : 120,623,950.44 = 63,134,502.66 : x
  2. Step 2: Convert to fraction form
    80,406,998.46/120,623,950.44 = 63,134,502.66/x
  3. Step 3: Cross multiply
    80,406,998.46x = 120,623,950.44 × 63,134,502.66
  4. Step 4: Simplify right side
    80,406,998.46x = 7,615,533,119,913,888
  5. Step 5: Solve for x
    x = 7,615,533,119,913,888/80,406,998.46
  6. Step 6: Final answer
    x = 94,712,316.91

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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.