Home / 162,015,987.67-223,582,627.52-87,676,529.58

Finding the Fourth Proportional to 162,015,987.67, 223,582,627.52 and 87,676,529.58

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Solution

The fourth proportional to 162,015,987.67, 223,582,627.52 and 87,676,529.58 is: 120,993,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,015,987.67 : 223,582,627.52 = 87,676,529.58 : x
  2. Step 2: Convert to fraction form
    162,015,987.67/223,582,627.52 = 87,676,529.58/x
  3. Step 3: Cross multiply
    162,015,987.67x = 223,582,627.52 × 87,676,529.58
  4. Step 4: Simplify right side
    162,015,987.67x = 19,602,948,855,550,592
  5. Step 5: Solve for x
    x = 19,602,948,855,550,592/162,015,987.67
  6. Step 6: Final answer
    x = 120,993,916.33

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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.