Home / 135,432,153.80-203,148,230.70-100,944,038.60

Finding the Fourth Proportional to 135,432,153.80, 203,148,230.70 and 100,944,038.60

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Solution

The fourth proportional to 135,432,153.80, 203,148,230.70 and 100,944,038.60 is: 151,416,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432,153.80 : 203,148,230.70 = 100,944,038.60 : x
  2. Step 2: Convert to fraction form
    135,432,153.80/203,148,230.70 = 100,944,038.60/x
  3. Step 3: Cross multiply
    135,432,153.80x = 203,148,230.70 × 100,944,038.60
  4. Step 4: Simplify right side
    135,432,153.80x = 20,506,602,841,302,504
  5. Step 5: Solve for x
    x = 20,506,602,841,302,504/135,432,153.80
  6. Step 6: Final answer
    x = 151,416,057.90

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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.