Home / 156,845,870.01-216,450,083.79-87,231,281.67

Finding the Fourth Proportional to 156,845,870.01, 216,450,083.79 and 87,231,281.67

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Solution

The fourth proportional to 156,845,870.01, 216,450,083.79 and 87,231,281.67 is: 120,380,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,845,870.01 : 216,450,083.79 = 87,231,281.67 : x
  2. Step 2: Convert to fraction form
    156,845,870.01/216,450,083.79 = 87,231,281.67/x
  3. Step 3: Cross multiply
    156,845,870.01x = 216,450,083.79 × 87,231,281.67
  4. Step 4: Simplify right side
    156,845,870.01x = 18,881,218,226,580,592
  5. Step 5: Solve for x
    x = 18,881,218,226,580,592/156,845,870.01
  6. Step 6: Final answer
    x = 120,380,716.59

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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.