Home / 163,577,992.80-245,366,989.20-126,988,279.95

Finding the Fourth Proportional to 163,577,992.80, 245,366,989.20 and 126,988,279.95

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Solution

The fourth proportional to 163,577,992.80, 245,366,989.20 and 126,988,279.95 is: 190,482,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,577,992.80 : 245,366,989.20 = 126,988,279.95 : x
  2. Step 2: Convert to fraction form
    163,577,992.80/245,366,989.20 = 126,988,279.95/x
  3. Step 3: Cross multiply
    163,577,992.80x = 245,366,989.20 × 126,988,279.95
  4. Step 4: Simplify right side
    163,577,992.80x = 31,158,731,915,018,224
  5. Step 5: Solve for x
    x = 31,158,731,915,018,224/163,577,992.80
  6. Step 6: Final answer
    x = 190,482,419.93

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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.