Home / 170,829,040.10-256,243,560.15-78,712,600.10

Finding the Fourth Proportional to 170,829,040.10, 256,243,560.15 and 78,712,600.10

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Solution

The fourth proportional to 170,829,040.10, 256,243,560.15 and 78,712,600.10 is: 118,068,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,040.10 : 256,243,560.15 = 78,712,600.10 : x
  2. Step 2: Convert to fraction form
    170,829,040.10/256,243,560.15 = 78,712,600.10/x
  3. Step 3: Cross multiply
    170,829,040.10x = 256,243,560.15 × 78,712,600.10
  4. Step 4: Simplify right side
    170,829,040.10x = 20,169,596,878,287,244
  5. Step 5: Solve for x
    x = 20,169,596,878,287,244/170,829,040.10
  6. Step 6: Final answer
    x = 118,068,900.15

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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.