Home / 153,697,165.96-230,176,331.70-87,918,876.76

Finding the Fourth Proportional to 153,697,165.96, 230,176,331.70 and 87,918,876.76

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Solution

The fourth proportional to 153,697,165.96, 230,176,331.70 and 87,918,876.76 is: 131,666,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,697,165.96 : 230,176,331.70 = 87,918,876.76 : x
  2. Step 2: Convert to fraction form
    153,697,165.96/230,176,331.70 = 87,918,876.76/x
  3. Step 3: Cross multiply
    153,697,165.96x = 230,176,331.70 × 87,918,876.76
  4. Step 4: Simplify right side
    153,697,165.96x = 20,236,844,539,801,180
  5. Step 5: Solve for x
    x = 20,236,844,539,801,180/153,697,165.96
  6. Step 6: Final answer
    x = 131,666,998.63

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1.5x scale

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.