Home / 73,872,035.80-110,808,053.70-72,864,266.20

Finding the Fourth Proportional to 73,872,035.80, 110,808,053.70 and 72,864,266.20

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Solution

The fourth proportional to 73,872,035.80, 110,808,053.70 and 72,864,266.20 is: 109,296,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,035.80 : 110,808,053.70 = 72,864,266.20 : x
  2. Step 2: Convert to fraction form
    73,872,035.80/110,808,053.70 = 72,864,266.20/x
  3. Step 3: Cross multiply
    73,872,035.80x = 110,808,053.70 × 72,864,266.20
  4. Step 4: Simplify right side
    73,872,035.80x = 8,073,947,521,900,695
  5. Step 5: Solve for x
    x = 8,073,947,521,900,695/73,872,035.80
  6. Step 6: Final answer
    x = 109,296,399.30

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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.