Home / 139,752,186.40-209,590,954.80-42,707,706.40

Finding the Fourth Proportional to 139,752,186.40, 209,590,954.80 and 42,707,706.40

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Solution

The fourth proportional to 139,752,186.40, 209,590,954.80 and 42,707,706.40 is: 64,050,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752,186.40 : 209,590,954.80 = 42,707,706.40 : x
  2. Step 2: Convert to fraction form
    139,752,186.40/209,590,954.80 = 42,707,706.40/x
  3. Step 3: Cross multiply
    139,752,186.40x = 209,590,954.80 × 42,707,706.40
  4. Step 4: Simplify right side
    139,752,186.40x = 8,951,148,961,694,071
  5. Step 5: Solve for x
    x = 8,951,148,961,694,071/139,752,186.40
  6. Step 6: Final answer
    x = 64,050,153.29

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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.