Home / 60,286,985.40-90,436,007.70-19,897,558.20

Finding the Fourth Proportional to 60,286,985.40, 90,436,007.70 and 19,897,558.20

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Solution

The fourth proportional to 60,286,985.40, 90,436,007.70 and 19,897,558.20 is: 29,848,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,286,985.40 : 90,436,007.70 = 19,897,558.20 : x
  2. Step 2: Convert to fraction form
    60,286,985.40/90,436,007.70 = 19,897,558.20/x
  3. Step 3: Cross multiply
    60,286,985.40x = 90,436,007.70 × 19,897,558.20
  4. Step 4: Simplify right side
    60,286,985.40x = 1,799,455,726,586,398.25
  5. Step 5: Solve for x
    x = 1,799,455,726,586,398.25/60,286,985.40
  6. Step 6: Final answer
    x = 29,848,162.33

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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.