Home / 72,172,034.10-108,258,051.15-60,214,611.60

Finding the Fourth Proportional to 72,172,034.10, 108,258,051.15 and 60,214,611.60

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Solution

The fourth proportional to 72,172,034.10, 108,258,051.15 and 60,214,611.60 is: 90,321,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,172,034.10 : 108,258,051.15 = 60,214,611.60 : x
  2. Step 2: Convert to fraction form
    72,172,034.10/108,258,051.15 = 60,214,611.60/x
  3. Step 3: Cross multiply
    72,172,034.10x = 108,258,051.15 × 60,214,611.60
  4. Step 4: Simplify right side
    72,172,034.10x = 6,518,716,502,570,184
  5. Step 5: Solve for x
    x = 6,518,716,502,570,184/72,172,034.10
  6. Step 6: Final answer
    x = 90,321,917.40

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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.