Home / 125,152,211.33-172,697,607.62-72,245,963.41

Finding the Fourth Proportional to 125,152,211.33, 172,697,607.62 and 72,245,963.41

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Solution

The fourth proportional to 125,152,211.33, 172,697,607.62 and 72,245,963.41 is: 99,692,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152,211.33 : 172,697,607.62 = 72,245,963.41 : x
  2. Step 2: Convert to fraction form
    125,152,211.33/172,697,607.62 = 72,245,963.41/x
  3. Step 3: Cross multiply
    125,152,211.33x = 172,697,607.62 × 72,245,963.41
  4. Step 4: Simplify right side
    125,152,211.33x = 12,476,705,041,214,644
  5. Step 5: Solve for x
    x = 12,476,705,041,214,644/125,152,211.33
  6. Step 6: Final answer
    x = 99,692,246.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.