Home / 70,516,104.30-105,774,156.45-40,227,029.10

Finding the Fourth Proportional to 70,516,104.30, 105,774,156.45 and 40,227,029.10

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Solution

The fourth proportional to 70,516,104.30, 105,774,156.45 and 40,227,029.10 is: 60,340,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516,104.30 : 105,774,156.45 = 40,227,029.10 : x
  2. Step 2: Convert to fraction form
    70,516,104.30/105,774,156.45 = 40,227,029.10/x
  3. Step 3: Cross multiply
    70,516,104.30x = 105,774,156.45 × 40,227,029.10
  4. Step 4: Simplify right side
    70,516,104.30x = 4,254,980,069,542,103
  5. Step 5: Solve for x
    x = 4,254,980,069,542,103/70,516,104.30
  6. Step 6: Final answer
    x = 60,340,543.65

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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.