Home / 61,053,948.10-91,554,350.10-20,097,561.70

Finding the Fourth Proportional to 61,053,948.10, 91,554,350.10 and 20,097,561.70

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Solution

The fourth proportional to 61,053,948.10, 91,554,350.10 and 20,097,561.70 is: 30,137,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,053,948.10 : 91,554,350.10 = 20,097,561.70 : x
  2. Step 2: Convert to fraction form
    61,053,948.10/91,554,350.10 = 20,097,561.70/x
  3. Step 3: Cross multiply
    61,053,948.10x = 91,554,350.10 × 20,097,561.70
  4. Step 4: Simplify right side
    61,053,948.10x = 1,840,019,200,038,151
  5. Step 5: Solve for x
    x = 1,840,019,200,038,151/61,053,948.10
  6. Step 6: Final answer
    x = 30,137,595.64

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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.