Home / 83,054,909.70-124,582,364.55-39,913,710.30

Finding the Fourth Proportional to 83,054,909.70, 124,582,364.55 and 39,913,710.30

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Solution

The fourth proportional to 83,054,909.70, 124,582,364.55 and 39,913,710.30 is: 59,870,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054,909.70 : 124,582,364.55 = 39,913,710.30 : x
  2. Step 2: Convert to fraction form
    83,054,909.70/124,582,364.55 = 39,913,710.30/x
  3. Step 3: Cross multiply
    83,054,909.70x = 124,582,364.55 × 39,913,710.30
  4. Step 4: Simplify right side
    83,054,909.70x = 4,972,544,407,137,689
  5. Step 5: Solve for x
    x = 4,972,544,407,137,689/83,054,909.70
  6. Step 6: Final answer
    x = 59,870,565.45

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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.