Home / 72,884,329.74-100,581,570.45-43,518,228.48

Finding the Fourth Proportional to 72,884,329.74, 100,581,570.45 and 43,518,228.48

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Solution

The fourth proportional to 72,884,329.74, 100,581,570.45 and 43,518,228.48 is: 60,055,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884,329.74 : 100,581,570.45 = 43,518,228.48 : x
  2. Step 2: Convert to fraction form
    72,884,329.74/100,581,570.45 = 43,518,228.48/x
  3. Step 3: Cross multiply
    72,884,329.74x = 100,581,570.45 × 43,518,228.48
  4. Step 4: Simplify right side
    72,884,329.74x = 4,377,131,763,720,316
  5. Step 5: Solve for x
    x = 4,377,131,763,720,316/72,884,329.74
  6. Step 6: Final answer
    x = 60,055,869.06

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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.