Home / 84,054,000.20-126,039,009.90-38,564,400.20

Finding the Fourth Proportional to 84,054,000.20, 126,039,009.90 and 38,564,400.20

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Solution

The fourth proportional to 84,054,000.20, 126,039,009.90 and 38,564,400.20 is: 57,827,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,054,000.20 : 126,039,009.90 = 38,564,400.20 : x
  2. Step 2: Convert to fraction form
    84,054,000.20/126,039,009.90 = 38,564,400.20/x
  3. Step 3: Cross multiply
    84,054,000.20x = 126,039,009.90 × 38,564,400.20
  4. Step 4: Simplify right side
    84,054,000.20x = 4,860,618,818,595,363
  5. Step 5: Solve for x
    x = 4,860,618,818,595,363/84,054,000.20
  6. Step 6: Final answer
    x = 57,827,334.89

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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.