Home / 119,867,870.48-165,418,097.20-64,863,726.98

Finding the Fourth Proportional to 119,867,870.48, 165,418,097.20 and 64,863,726.98

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Solution

The fourth proportional to 119,867,870.48, 165,418,097.20 and 64,863,726.98 is: 89,512,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867,870.48 : 165,418,097.20 = 64,863,726.98 : x
  2. Step 2: Convert to fraction form
    119,867,870.48/165,418,097.20 = 64,863,726.98/x
  3. Step 3: Cross multiply
    119,867,870.48x = 165,418,097.20 × 64,863,726.98
  4. Step 4: Simplify right side
    119,867,870.48x = 10,729,634,293,342,652
  5. Step 5: Solve for x
    x = 10,729,634,293,342,652/119,867,870.48
  6. Step 6: Final answer
    x = 89,512,179.13

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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.