Home / 125,122,359.70-187,683,539.55-84,201,402.70

Finding the Fourth Proportional to 125,122,359.70, 187,683,539.55 and 84,201,402.70

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Solution

The fourth proportional to 125,122,359.70, 187,683,539.55 and 84,201,402.70 is: 126,302,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122,359.70 : 187,683,539.55 = 84,201,402.70 : x
  2. Step 2: Convert to fraction form
    125,122,359.70/187,683,539.55 = 84,201,402.70/x
  3. Step 3: Cross multiply
    125,122,359.70x = 187,683,539.55 × 84,201,402.70
  4. Step 4: Simplify right side
    125,122,359.70x = 15,803,217,293,810,928
  5. Step 5: Solve for x
    x = 15,803,217,293,810,928/125,122,359.70
  6. Step 6: Final answer
    x = 126,302,104.05

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1.5x scale

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.