Home / 31,915,972,138.46-47,886,049,373.13-19,161,952,965.16

Finding the Fourth Proportional to 31,915,972,138.46, 47,886,049,373.13 and 19,161,952,965.16

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Solution

The fourth proportional to 31,915,972,138.46, 47,886,049,373.13 and 19,161,952,965.16 is: 28,750,188,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,972,138.46 : 47,886,049,373.13 = 19,161,952,965.16 : x
  2. Step 2: Convert to fraction form
    31,915,972,138.46/47,886,049,373.13 = 19,161,952,965.16/x
  3. Step 3: Cross multiply
    31,915,972,138.46x = 47,886,049,373.13 × 19,161,952,965.16
  4. Step 4: Simplify right side
    31,915,972,138.46x = 917,590,225,775,102,918,656
  5. Step 5: Solve for x
    x = 917,590,225,775,102,918,656/31,915,972,138.46
  6. Step 6: Final answer
    x = 28,750,188,833.18

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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.