Home / 153,697,144.96-230,176,300.20-87,918,855.76

Finding the Fourth Proportional to 153,697,144.96, 230,176,300.20 and 87,918,855.76

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Solution

The fourth proportional to 153,697,144.96, 230,176,300.20 and 87,918,855.76 is: 131,666,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,697,144.96 : 230,176,300.20 = 87,918,855.76 : x
  2. Step 2: Convert to fraction form
    153,697,144.96/230,176,300.20 = 87,918,855.76/x
  3. Step 3: Cross multiply
    153,697,144.96x = 230,176,300.20 × 87,918,855.76
  4. Step 4: Simplify right side
    153,697,144.96x = 20,236,836,936,654,260
  5. Step 5: Solve for x
    x = 20,236,836,936,654,260/153,697,144.96
  6. Step 6: Final answer
    x = 131,666,967.15

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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.