Home / 73,811,272.80-110,716,909.20-72,535,814.40

Finding the Fourth Proportional to 73,811,272.80, 110,716,909.20 and 72,535,814.40

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Solution

The fourth proportional to 73,811,272.80, 110,716,909.20 and 72,535,814.40 is: 108,803,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811,272.80 : 110,716,909.20 = 72,535,814.40 : x
  2. Step 2: Convert to fraction form
    73,811,272.80/110,716,909.20 = 72,535,814.40/x
  3. Step 3: Cross multiply
    73,811,272.80x = 110,716,909.20 × 72,535,814.40
  4. Step 4: Simplify right side
    73,811,272.80x = 8,030,941,176,672,853
  5. Step 5: Solve for x
    x = 8,030,941,176,672,853/73,811,272.80
  6. Step 6: Final answer
    x = 108,803,721.60

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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.