Home / 67,111,833.60-100,667,750.40-42,925,363.20

Finding the Fourth Proportional to 67,111,833.60, 100,667,750.40 and 42,925,363.20

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Solution

The fourth proportional to 67,111,833.60, 100,667,750.40 and 42,925,363.20 is: 64,388,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,111,833.60 : 100,667,750.40 = 42,925,363.20 : x
  2. Step 2: Convert to fraction form
    67,111,833.60/100,667,750.40 = 42,925,363.20/x
  3. Step 3: Cross multiply
    67,111,833.60x = 100,667,750.40 × 42,925,363.20
  4. Step 4: Simplify right side
    67,111,833.60x = 4,321,199,748,446,946
  5. Step 5: Solve for x
    x = 4,321,199,748,446,946/67,111,833.60
  6. Step 6: Final answer
    x = 64,388,044.80

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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.