Home / 80,406,946.08-120,623,871.90-63,134,450.19

Finding the Fourth Proportional to 80,406,946.08, 120,623,871.90 and 63,134,450.19

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Solution

The fourth proportional to 80,406,946.08, 120,623,871.90 and 63,134,450.19 is: 94,712,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,946.08 : 120,623,871.90 = 63,134,450.19 : x
  2. Step 2: Convert to fraction form
    80,406,946.08/120,623,871.90 = 63,134,450.19/x
  3. Step 3: Cross multiply
    80,406,946.08x = 120,623,871.90 × 63,134,450.19
  4. Step 4: Simplify right side
    80,406,946.08x = 7,615,521,832,432,245
  5. Step 5: Solve for x
    x = 7,615,521,832,432,245/80,406,946.08
  6. Step 6: Final answer
    x = 94,712,238.23

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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.