Home / 185,574,020.11-256,087,681.03-103,067,870.47

Finding the Fourth Proportional to 185,574,020.11, 256,087,681.03 and 103,067,870.47

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Solution

The fourth proportional to 185,574,020.11, 256,087,681.03 and 103,067,870.47 is: 142,231,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,574,020.11 : 256,087,681.03 = 103,067,870.47 : x
  2. Step 2: Convert to fraction form
    185,574,020.11/256,087,681.03 = 103,067,870.47/x
  3. Step 3: Cross multiply
    185,574,020.11x = 256,087,681.03 × 103,067,870.47
  4. Step 4: Simplify right side
    185,574,020.11x = 26,394,411,937,296,320
  5. Step 5: Solve for x
    x = 26,394,411,937,296,320/185,574,020.11
  6. Step 6: Final answer
    x = 142,231,180.43

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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.