Home / 72,854,092.10-109,250,030.30-42,169,851.23

Finding the Fourth Proportional to 72,854,092.10, 109,250,030.30 and 42,169,851.23

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Solution

The fourth proportional to 72,854,092.10, 109,250,030.30 and 42,169,851.23 is: 63,236,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854,092.10 : 109,250,030.30 = 42,169,851.23 : x
  2. Step 2: Convert to fraction form
    72,854,092.10/109,250,030.30 = 42,169,851.23/x
  3. Step 3: Cross multiply
    72,854,092.10x = 109,250,030.30 × 42,169,851.23
  4. Step 4: Simplify right side
    72,854,092.10x = 4,607,057,523,866,893
  5. Step 5: Solve for x
    x = 4,607,057,523,866,893/72,854,092.10
  6. Step 6: Final answer
    x = 63,236,770.80

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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.