Home / 124,338,072.74-171,517,657.55-87,223,611.11

Finding the Fourth Proportional to 124,338,072.74, 171,517,657.55 and 87,223,611.11

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Solution

The fourth proportional to 124,338,072.74, 171,517,657.55 and 87,223,611.11 is: 120,320,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338,072.74 : 171,517,657.55 = 87,223,611.11 : x
  2. Step 2: Convert to fraction form
    124,338,072.74/171,517,657.55 = 87,223,611.11/x
  3. Step 3: Cross multiply
    124,338,072.74x = 171,517,657.55 × 87,223,611.11
  4. Step 4: Simplify right side
    124,338,072.74x = 14,960,389,459,345,648
  5. Step 5: Solve for x
    x = 14,960,389,459,345,648/124,338,072.74
  6. Step 6: Final answer
    x = 120,320,261.77

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1.5x scale

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.