Home / 72,884,366.68-100,581,621.30-43,518,265.48

Finding the Fourth Proportional to 72,884,366.68, 100,581,621.30 and 43,518,265.48

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Solution

The fourth proportional to 72,884,366.68, 100,581,621.30 and 43,518,265.48 is: 60,055,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884,366.68 : 100,581,621.30 = 43,518,265.48 : x
  2. Step 2: Convert to fraction form
    72,884,366.68/100,581,621.30 = 43,518,265.48/x
  3. Step 3: Cross multiply
    72,884,366.68x = 100,581,621.30 × 43,518,265.48
  4. Step 4: Simplify right side
    72,884,366.68x = 4,377,137,698,142,222.50
  5. Step 5: Solve for x
    x = 4,377,137,698,142,222.50/72,884,366.68
  6. Step 6: Final answer
    x = 60,055,920.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.