Home / 91,014,821.70-136,522,232.55-60,403,820.10

Finding the Fourth Proportional to 91,014,821.70, 136,522,232.55 and 60,403,820.10

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Solution

The fourth proportional to 91,014,821.70, 136,522,232.55 and 60,403,820.10 is: 90,605,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014,821.70 : 136,522,232.55 = 60,403,820.10 : x
  2. Step 2: Convert to fraction form
    91,014,821.70/136,522,232.55 = 60,403,820.10/x
  3. Step 3: Cross multiply
    91,014,821.70x = 136,522,232.55 × 60,403,820.10
  4. Step 4: Simplify right side
    91,014,821.70x = 8,246,464,374,600,565
  5. Step 5: Solve for x
    x = 8,246,464,374,600,565/91,014,821.70
  6. Step 6: Final answer
    x = 90,605,730.15

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1.5x scale

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.