Home / 125,341,344,014.10-188,012,016,021.15-80,710,503,681.30

Finding the Fourth Proportional to 125,341,344,014.10, 188,012,016,021.15 and 80,710,503,681.30

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Solution

The fourth proportional to 125,341,344,014.10, 188,012,016,021.15 and 80,710,503,681.30 is: 121,065,755,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341,344,014.10 : 188,012,016,021.15 = 80,710,503,681.30 : x
  2. Step 2: Convert to fraction form
    125,341,344,014.10/188,012,016,021.15 = 80,710,503,681.30/x
  3. Step 3: Cross multiply
    125,341,344,014.10x = 188,012,016,021.15 × 80,710,503,681.30
  4. Step 4: Simplify right side
    125,341,344,014.10x = 15,174,544,511,203,662,626,816
  5. Step 5: Solve for x
    x = 15,174,544,511,203,662,626,816/125,341,344,014.10
  6. Step 6: Final answer
    x = 121,065,755,521.95

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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.