Home / 103,176,155,539.35-154,712,454,273.27-60,115,196,840.90

Finding the Fourth Proportional to 103,176,155,539.35, 154,712,454,273.27 and 60,115,196,840.90

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Solution

The fourth proportional to 103,176,155,539.35, 154,712,454,273.27 and 60,115,196,840.90 is: 90,142,626,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176,155,539.35 : 154,712,454,273.27 = 60,115,196,840.90 : x
  2. Step 2: Convert to fraction form
    103,176,155,539.35/154,712,454,273.27 = 60,115,196,840.90/x
  3. Step 3: Cross multiply
    103,176,155,539.35x = 154,712,454,273.27 × 60,115,196,840.90
  4. Step 4: Simplify right side
    103,176,155,539.35x = 9,300,569,642,375,591,231,488
  5. Step 5: Solve for x
    x = 9,300,569,642,375,591,231,488/103,176,155,539.35
  6. Step 6: Final answer
    x = 90,142,626,401.97

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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.