Home / 121,788,708.30-182,683,062.45-98,830,457.10

Finding the Fourth Proportional to 121,788,708.30, 182,683,062.45 and 98,830,457.10

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Solution

The fourth proportional to 121,788,708.30, 182,683,062.45 and 98,830,457.10 is: 148,245,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,788,708.30 : 182,683,062.45 = 98,830,457.10 : x
  2. Step 2: Convert to fraction form
    121,788,708.30/182,683,062.45 = 98,830,457.10/x
  3. Step 3: Cross multiply
    121,788,708.30x = 182,683,062.45 × 98,830,457.10
  4. Step 4: Simplify right side
    121,788,708.30x = 18,054,650,566,361,344
  5. Step 5: Solve for x
    x = 18,054,650,566,361,344/121,788,708.30
  6. Step 6: Final answer
    x = 148,245,685.65

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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.