Home / 125,288,616.25-172,896,169.02-70,283,291.77

Finding the Fourth Proportional to 125,288,616.25, 172,896,169.02 and 70,283,291.77

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Solution

The fourth proportional to 125,288,616.25, 172,896,169.02 and 70,283,291.77 is: 96,989,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,288,616.25 : 172,896,169.02 = 70,283,291.77 : x
  2. Step 2: Convert to fraction form
    125,288,616.25/172,896,169.02 = 70,283,291.77/x
  3. Step 3: Cross multiply
    125,288,616.25x = 172,896,169.02 × 70,283,291.77
  4. Step 4: Simplify right side
    125,288,616.25x = 12,151,711,893,147,894
  5. Step 5: Solve for x
    x = 12,151,711,893,147,894/125,288,616.25
  6. Step 6: Final answer
    x = 96,989,752.60

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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.