Home / 210,283,338.60-315,425,007.90-149,061,335.40

Finding the Fourth Proportional to 210,283,338.60, 315,425,007.90 and 149,061,335.40

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Solution

The fourth proportional to 210,283,338.60, 315,425,007.90 and 149,061,335.40 is: 223,592,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,283,338.60 : 315,425,007.90 = 149,061,335.40 : x
  2. Step 2: Convert to fraction form
    210,283,338.60/315,425,007.90 = 149,061,335.40/x
  3. Step 3: Cross multiply
    210,283,338.60x = 315,425,007.90 × 149,061,335.40
  4. Step 4: Simplify right side
    210,283,338.60x = 47,017,672,896,129,544
  5. Step 5: Solve for x
    x = 47,017,672,896,129,544/210,283,338.60
  6. Step 6: Final answer
    x = 223,592,003.10

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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.