Home / 124,802,326.20-172,235,933.10-69,803,265.72

Finding the Fourth Proportional to 124,802,326.20, 172,235,933.10 and 69,803,265.72

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Solution

The fourth proportional to 124,802,326.20, 172,235,933.10 and 69,803,265.72 is: 96,333,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802,326.20 : 172,235,933.10 = 69,803,265.72 : x
  2. Step 2: Convert to fraction form
    124,802,326.20/172,235,933.10 = 69,803,265.72/x
  3. Step 3: Cross multiply
    124,802,326.20x = 172,235,933.10 × 69,803,265.72
  4. Step 4: Simplify right side
    124,802,326.20x = 12,022,630,604,711,442
  5. Step 5: Solve for x
    x = 12,022,630,604,711,442/124,802,326.20
  6. Step 6: Final answer
    x = 96,333,385.53

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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.