Home / 187,573,585.80-258,853,068.25-103,943,113.36

Finding the Fourth Proportional to 187,573,585.80, 258,853,068.25 and 103,943,113.36

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Solution

The fourth proportional to 187,573,585.80, 258,853,068.25 and 103,943,113.36 is: 143,442,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,573,585.80 : 258,853,068.25 = 103,943,113.36 : x
  2. Step 2: Convert to fraction form
    187,573,585.80/258,853,068.25 = 103,943,113.36/x
  3. Step 3: Cross multiply
    187,573,585.80x = 258,853,068.25 × 103,943,113.36
  4. Step 4: Simplify right side
    187,573,585.80x = 26,905,993,815,139,444
  5. Step 5: Solve for x
    x = 26,905,993,815,139,444/187,573,585.80
  6. Step 6: Final answer
    x = 143,442,338.65

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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.