Home / 78,926,830.56-118,363,265.28-40,050,288

Finding the Fourth Proportional to 78,926,830.56, 118,363,265.28 and 40,050,288

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Solution

The fourth proportional to 78,926,830.56, 118,363,265.28 and 40,050,288 is: 60,061,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926,830.56 : 118,363,265.28 = 40,050,288 : x
  2. Step 2: Convert to fraction form
    78,926,830.56/118,363,265.28 = 40,050,288/x
  3. Step 3: Cross multiply
    78,926,830.56x = 118,363,265.28 × 40,050,288
  4. Step 4: Simplify right side
    78,926,830.56x = 4,740,482,863,084,401
  5. Step 5: Solve for x
    x = 4,740,482,863,084,401/78,926,830.56
  6. Step 6: Final answer
    x = 60,061,741.10

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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.