Home / 132,868,547.40-199,302,821.10-98,431,170.60

Finding the Fourth Proportional to 132,868,547.40, 199,302,821.10 and 98,431,170.60

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Solution

The fourth proportional to 132,868,547.40, 199,302,821.10 and 98,431,170.60 is: 147,646,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,547.40 : 199,302,821.10 = 98,431,170.60 : x
  2. Step 2: Convert to fraction form
    132,868,547.40/199,302,821.10 = 98,431,170.60/x
  3. Step 3: Cross multiply
    132,868,547.40x = 199,302,821.10 × 98,431,170.60
  4. Step 4: Simplify right side
    132,868,547.40x = 19,617,609,984,755,376
  5. Step 5: Solve for x
    x = 19,617,609,984,755,376/132,868,547.40
  6. Step 6: Final answer
    x = 147,646,755.90

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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.