Home / 107,837,803.20-161,756,704.80-67,023,134.40

Finding the Fourth Proportional to 107,837,803.20, 161,756,704.80 and 67,023,134.40

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Solution

The fourth proportional to 107,837,803.20, 161,756,704.80 and 67,023,134.40 is: 100,534,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,803.20 : 161,756,704.80 = 67,023,134.40 : x
  2. Step 2: Convert to fraction form
    107,837,803.20/161,756,704.80 = 67,023,134.40/x
  3. Step 3: Cross multiply
    107,837,803.20x = 161,756,704.80 × 67,023,134.40
  4. Step 4: Simplify right side
    107,837,803.20x = 10,841,441,365,911,526
  5. Step 5: Solve for x
    x = 10,841,441,365,911,526/107,837,803.20
  6. Step 6: Final answer
    x = 100,534,701.60

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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.