Home / 42,878,220.20-59,172,298.56-23,299,108.57

Finding the Fourth Proportional to 42,878,220.20, 59,172,298.56 and 23,299,108.57

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Solution

The fourth proportional to 42,878,220.20, 59,172,298.56 and 23,299,108.57 is: 32,152,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878,220.20 : 59,172,298.56 = 23,299,108.57 : x
  2. Step 2: Convert to fraction form
    42,878,220.20/59,172,298.56 = 23,299,108.57/x
  3. Step 3: Cross multiply
    42,878,220.20x = 59,172,298.56 × 23,299,108.57
  4. Step 4: Simplify right side
    42,878,220.20x = 1,378,661,808,369,399.25
  5. Step 5: Solve for x
    x = 1,378,661,808,369,399.25/42,878,220.20
  6. Step 6: Final answer
    x = 32,152,962.56

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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.