Home / 125,778,164.70-188,676,104.40-71,216,888.70

Finding the Fourth Proportional to 125,778,164.70, 188,676,104.40 and 71,216,888.70

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Solution

The fourth proportional to 125,778,164.70, 188,676,104.40 and 71,216,888.70 is: 106,830,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,778,164.70 : 188,676,104.40 = 71,216,888.70 : x
  2. Step 2: Convert to fraction form
    125,778,164.70/188,676,104.40 = 71,216,888.70/x
  3. Step 3: Cross multiply
    125,778,164.70x = 188,676,104.40 × 71,216,888.70
  4. Step 4: Simplify right side
    125,778,164.70x = 13,436,925,127,404,382
  5. Step 5: Solve for x
    x = 13,436,925,127,404,382/125,778,164.70
  6. Step 6: Final answer
    x = 106,830,348.17

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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.