Home / 140,785,345.80-211,193,962.04-126,319,521.76

Finding the Fourth Proportional to 140,785,345.80, 211,193,962.04 and 126,319,521.76

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Solution

The fourth proportional to 140,785,345.80, 211,193,962.04 and 126,319,521.76 is: 189,493,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785,345.80 : 211,193,962.04 = 126,319,521.76 : x
  2. Step 2: Convert to fraction form
    140,785,345.80/211,193,962.04 = 126,319,521.76/x
  3. Step 3: Cross multiply
    140,785,345.80x = 211,193,962.04 × 126,319,521.76
  4. Step 4: Simplify right side
    140,785,345.80x = 26,677,920,283,492,396
  5. Step 5: Solve for x
    x = 26,677,920,283,492,396/140,785,345.80
  6. Step 6: Final answer
    x = 189,493,587.79

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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.