Home / 60,706,838.94-91,015,381.12-31,518,770.64

Finding the Fourth Proportional to 60,706,838.94, 91,015,381.12 and 31,518,770.64

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Solution

The fourth proportional to 60,706,838.94, 91,015,381.12 and 31,518,770.64 is: 47,254,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706,838.94 : 91,015,381.12 = 31,518,770.64 : x
  2. Step 2: Convert to fraction form
    60,706,838.94/91,015,381.12 = 31,518,770.64/x
  3. Step 3: Cross multiply
    60,706,838.94x = 91,015,381.12 × 31,518,770.64
  4. Step 4: Simplify right side
    60,706,838.94x = 2,868,692,921,620,795.50
  5. Step 5: Solve for x
    x = 2,868,692,921,620,795.50/60,706,838.94
  6. Step 6: Final answer
    x = 47,254,855.83

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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.