Home / 153,509,820.34-230,199,186.12-88,858,251.22

Finding the Fourth Proportional to 153,509,820.34, 230,199,186.12 and 88,858,251.22

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Solution

The fourth proportional to 153,509,820.34, 230,199,186.12 and 88,858,251.22 is: 133,249,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,509,820.34 : 230,199,186.12 = 88,858,251.22 : x
  2. Step 2: Convert to fraction form
    153,509,820.34/230,199,186.12 = 88,858,251.22/x
  3. Step 3: Cross multiply
    153,509,820.34x = 230,199,186.12 × 88,858,251.22
  4. Step 4: Simplify right side
    153,509,820.34x = 20,455,097,110,890,496
  5. Step 5: Solve for x
    x = 20,455,097,110,890,496/153,509,820.34
  6. Step 6: Final answer
    x = 133,249,436.85

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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.