Home / 38,636,700.20-57,955,050.30-28,999,903.40

Finding the Fourth Proportional to 38,636,700.20, 57,955,050.30 and 28,999,903.40

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Solution

The fourth proportional to 38,636,700.20, 57,955,050.30 and 28,999,903.40 is: 43,499,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636,700.20 : 57,955,050.30 = 28,999,903.40 : x
  2. Step 2: Convert to fraction form
    38,636,700.20/57,955,050.30 = 28,999,903.40/x
  3. Step 3: Cross multiply
    38,636,700.20x = 57,955,050.30 × 28,999,903.40
  4. Step 4: Simplify right side
    38,636,700.20x = 1,680,690,860,242,140.75
  5. Step 5: Solve for x
    x = 1,680,690,860,242,140.75/38,636,700.20
  6. Step 6: Final answer
    x = 43,499,855.10

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Similar ratio
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1.5x scale

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.