Home / 107,964,042.08-148,986,672.40-61,569,228.20

Finding the Fourth Proportional to 107,964,042.08, 148,986,672.40 and 61,569,228.20

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Solution

The fourth proportional to 107,964,042.08, 148,986,672.40 and 61,569,228.20 is: 84,963,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,964,042.08 : 148,986,672.40 = 61,569,228.20 : x
  2. Step 2: Convert to fraction form
    107,964,042.08/148,986,672.40 = 61,569,228.20/x
  3. Step 3: Cross multiply
    107,964,042.08x = 148,986,672.40 × 61,569,228.20
  4. Step 4: Simplify right side
    107,964,042.08x = 9,172,994,431,754,242
  5. Step 5: Solve for x
    x = 9,172,994,431,754,242/107,964,042.08
  6. Step 6: Final answer
    x = 84,963,421.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.