Home / 107,841,803.30-161,762,704.95-90,623,114.90

Finding the Fourth Proportional to 107,841,803.30, 161,762,704.95 and 90,623,114.90

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Solution

The fourth proportional to 107,841,803.30, 161,762,704.95 and 90,623,114.90 is: 135,934,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,803.30 : 161,762,704.95 = 90,623,114.90 : x
  2. Step 2: Convert to fraction form
    107,841,803.30/161,762,704.95 = 90,623,114.90/x
  3. Step 3: Cross multiply
    107,841,803.30x = 161,762,704.95 × 90,623,114.90
  4. Step 4: Simplify right side
    107,841,803.30x = 14,659,440,197,218,648
  5. Step 5: Solve for x
    x = 14,659,440,197,218,648/107,841,803.30
  6. Step 6: Final answer
    x = 135,934,672.35

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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.