Home / 98,230,040-147,447,258.60-72,351,562.03

Finding the Fourth Proportional to 98,230,040, 147,447,258.60 and 72,351,562.03

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Solution

The fourth proportional to 98,230,040, 147,447,258.60 and 72,351,562.03 is: 108,602,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,230,040 : 147,447,258.60 = 72,351,562.03 : x
  2. Step 2: Convert to fraction form
    98,230,040/147,447,258.60 = 72,351,562.03/x
  3. Step 3: Cross multiply
    98,230,040x = 147,447,258.60 × 72,351,562.03
  4. Step 4: Simplify right side
    98,230,040x = 10,668,039,476,751,350
  5. Step 5: Solve for x
    x = 10,668,039,476,751,350/98,230,040
  6. Step 6: Final answer
    x = 108,602,617.66

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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.