Home / 158,739,605,660-218,913,510,348.96-115,852,156,346.72

Finding the Fourth Proportional to 158,739,605,660, 218,913,510,348.96 and 115,852,156,346.72

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Solution

The fourth proportional to 158,739,605,660, 218,913,510,348.96 and 115,852,156,346.72 is: 159,768,585,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739,605,660 : 218,913,510,348.96 = 115,852,156,346.72 : x
  2. Step 2: Convert to fraction form
    158,739,605,660/218,913,510,348.96 = 115,852,156,346.72/x
  3. Step 3: Cross multiply
    158,739,605,660x = 218,913,510,348.96 × 115,852,156,346.72
  4. Step 4: Simplify right side
    158,739,605,660x = 25,361,602,227,357,018,488,832
  5. Step 5: Solve for x
    x = 25,361,602,227,357,018,488,832/158,739,605,660
  6. Step 6: Final answer
    x = 159,768,585,299.87

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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.