Home / 80,407,002.96-120,623,957.19-63,134,507.16

Finding the Fourth Proportional to 80,407,002.96, 120,623,957.19 and 63,134,507.16

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Solution

The fourth proportional to 80,407,002.96, 120,623,957.19 and 63,134,507.16 is: 94,712,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407,002.96 : 120,623,957.19 = 63,134,507.16 : x
  2. Step 2: Convert to fraction form
    80,407,002.96/120,623,957.19 = 63,134,507.16/x
  3. Step 3: Cross multiply
    80,407,002.96x = 120,623,957.19 × 63,134,507.16
  4. Step 4: Simplify right side
    80,407,002.96x = 7,615,534,088,879,588
  5. Step 5: Solve for x
    x = 7,615,534,088,879,588/80,407,002.96
  6. Step 6: Final answer
    x = 94,712,323.66

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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.