Home / 210,283,340.60-315,425,010.90-149,061,337.40

Finding the Fourth Proportional to 210,283,340.60, 315,425,010.90 and 149,061,337.40

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Solution

The fourth proportional to 210,283,340.60, 315,425,010.90 and 149,061,337.40 is: 223,592,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,283,340.60 : 315,425,010.90 = 149,061,337.40 : x
  2. Step 2: Convert to fraction form
    210,283,340.60/315,425,010.90 = 149,061,337.40/x
  3. Step 3: Cross multiply
    210,283,340.60x = 315,425,010.90 × 149,061,337.40
  4. Step 4: Simplify right side
    210,283,340.60x = 47,017,673,974,163,576
  5. Step 5: Solve for x
    x = 47,017,673,974,163,576/210,283,340.60
  6. Step 6: Final answer
    x = 223,592,006.10

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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.