Home / 99,575,031.76-149,080,878.28-52,781,895.88

Finding the Fourth Proportional to 99,575,031.76, 149,080,878.28 and 52,781,895.88

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Solution

The fourth proportional to 99,575,031.76, 149,080,878.28 and 52,781,895.88 is: 79,023,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,575,031.76 : 149,080,878.28 = 52,781,895.88 : x
  2. Step 2: Convert to fraction form
    99,575,031.76/149,080,878.28 = 52,781,895.88/x
  3. Step 3: Cross multiply
    99,575,031.76x = 149,080,878.28 × 52,781,895.88
  4. Step 4: Simplify right side
    99,575,031.76x = 7,868,771,395,073,914
  5. Step 5: Solve for x
    x = 7,868,771,395,073,914/99,575,031.76
  6. Step 6: Final answer
    x = 79,023,538.89

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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.