Home / 447,395,043.60-671,116,479.84-140,711,070.96

Finding the Fourth Proportional to 447,395,043.60, 671,116,479.84 and 140,711,070.96

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Solution

The fourth proportional to 447,395,043.60, 671,116,479.84 and 140,711,070.96 is: 211,074,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,395,043.60 : 671,116,479.84 = 140,711,070.96 : x
  2. Step 2: Convert to fraction form
    447,395,043.60/671,116,479.84 = 140,711,070.96/x
  3. Step 3: Cross multiply
    447,395,043.60x = 671,116,479.84 × 140,711,070.96
  4. Step 4: Simplify right side
    447,395,043.60x = 94,433,518,617,191,664
  5. Step 5: Solve for x
    x = 94,433,518,617,191,664/447,395,043.60
  6. Step 6: Final answer
    x = 211,074,127.82

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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.