Home / 45,398,416.60-68,097,624.90-42,744,208.60

Finding the Fourth Proportional to 45,398,416.60, 68,097,624.90 and 42,744,208.60

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Solution

The fourth proportional to 45,398,416.60, 68,097,624.90 and 42,744,208.60 is: 64,116,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398,416.60 : 68,097,624.90 = 42,744,208.60 : x
  2. Step 2: Convert to fraction form
    45,398,416.60/68,097,624.90 = 42,744,208.60/x
  3. Step 3: Cross multiply
    45,398,416.60x = 68,097,624.90 × 42,744,208.60
  4. Step 4: Simplify right side
    45,398,416.60x = 2,910,779,083,890,154.50
  5. Step 5: Solve for x
    x = 2,910,779,083,890,154.50/45,398,416.60
  6. Step 6: Final answer
    x = 64,116,312.90

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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.