Home / 112,523,885.98-168,784,881.03-87,952,480.76

Finding the Fourth Proportional to 112,523,885.98, 168,784,881.03 and 87,952,480.76

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Solution

The fourth proportional to 112,523,885.98, 168,784,881.03 and 87,952,480.76 is: 131,927,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,885.98 : 168,784,881.03 = 87,952,480.76 : x
  2. Step 2: Convert to fraction form
    112,523,885.98/168,784,881.03 = 87,952,480.76/x
  3. Step 3: Cross multiply
    112,523,885.98x = 168,784,881.03 × 87,952,480.76
  4. Step 4: Simplify right side
    112,523,885.98x = 14,845,049,001,791,926
  5. Step 5: Solve for x
    x = 14,845,049,001,791,926/112,523,885.98
  6. Step 6: Final answer
    x = 131,927,980.20

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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.