Home / 314,963,429.80-472,445,144.70-123,487,205.80

Finding the Fourth Proportional to 314,963,429.80, 472,445,144.70 and 123,487,205.80

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Solution

The fourth proportional to 314,963,429.80, 472,445,144.70 and 123,487,205.80 is: 185,230,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,963,429.80 : 472,445,144.70 = 123,487,205.80 : x
  2. Step 2: Convert to fraction form
    314,963,429.80/472,445,144.70 = 123,487,205.80/x
  3. Step 3: Cross multiply
    314,963,429.80x = 472,445,144.70 × 123,487,205.80
  4. Step 4: Simplify right side
    314,963,429.80x = 58,340,930,812,779,680
  5. Step 5: Solve for x
    x = 58,340,930,812,779,680/314,963,429.80
  6. Step 6: Final answer
    x = 185,230,808.70

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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.