Home / 42,771,630.60-64,157,445.90-25,765,518.60

Finding the Fourth Proportional to 42,771,630.60, 64,157,445.90 and 25,765,518.60

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Solution

The fourth proportional to 42,771,630.60, 64,157,445.90 and 25,765,518.60 is: 38,648,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771,630.60 : 64,157,445.90 = 25,765,518.60 : x
  2. Step 2: Convert to fraction form
    42,771,630.60/64,157,445.90 = 25,765,518.60/x
  3. Step 3: Cross multiply
    42,771,630.60x = 64,157,445.90 × 25,765,518.60
  4. Step 4: Simplify right side
    42,771,630.60x = 1,653,049,865,664,943.75
  5. Step 5: Solve for x
    x = 1,653,049,865,664,943.75/42,771,630.60
  6. Step 6: Final answer
    x = 38,648,277.90

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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.