Home / 127,892,479.80-176,480,960.04-72,134,827.32

Finding the Fourth Proportional to 127,892,479.80, 176,480,960.04 and 72,134,827.32

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Solution

The fourth proportional to 127,892,479.80, 176,480,960.04 and 72,134,827.32 is: 99,540,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892,479.80 : 176,480,960.04 = 72,134,827.32 : x
  2. Step 2: Convert to fraction form
    127,892,479.80/176,480,960.04 = 72,134,827.32/x
  3. Step 3: Cross multiply
    127,892,479.80x = 176,480,960.04 × 72,134,827.32
  4. Step 4: Simplify right side
    127,892,479.80x = 12,730,423,577,753,218
  5. Step 5: Solve for x
    x = 12,730,423,577,753,218/127,892,479.80
  6. Step 6: Final answer
    x = 99,540,048.00

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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.