Home / 100,017,234.90-138,045,225.51-60,871,618.89

Finding the Fourth Proportional to 100,017,234.90, 138,045,225.51 and 60,871,618.89

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Solution

The fourth proportional to 100,017,234.90, 138,045,225.51 and 60,871,618.89 is: 84,015,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,017,234.90 : 138,045,225.51 = 60,871,618.89 : x
  2. Step 2: Convert to fraction form
    100,017,234.90/138,045,225.51 = 60,871,618.89/x
  3. Step 3: Cross multiply
    100,017,234.90x = 138,045,225.51 × 60,871,618.89
  4. Step 4: Simplify right side
    100,017,234.90x = 8,403,036,356,828,825
  5. Step 5: Solve for x
    x = 8,403,036,356,828,825/100,017,234.90
  6. Step 6: Final answer
    x = 84,015,883.51

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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.