Home / 120,452,914.70-180,480,306.45-102,537,010.70

Finding the Fourth Proportional to 120,452,914.70, 180,480,306.45 and 102,537,010.70

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Solution

The fourth proportional to 120,452,914.70, 180,480,306.45 and 102,537,010.70 is: 153,636,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,452,914.70 : 180,480,306.45 = 102,537,010.70 : x
  2. Step 2: Convert to fraction form
    120,452,914.70/180,480,306.45 = 102,537,010.70/x
  3. Step 3: Cross multiply
    120,452,914.70x = 180,480,306.45 × 102,537,010.70
  4. Step 4: Simplify right side
    120,452,914.70x = 18,505,911,113,602,928
  5. Step 5: Solve for x
    x = 18,505,911,113,602,928/120,452,914.70
  6. Step 6: Final answer
    x = 153,636,059.03

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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.