Home / 75,178,401.60-112,767,602.40-52,503,585.60

Finding the Fourth Proportional to 75,178,401.60, 112,767,602.40 and 52,503,585.60

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Solution

The fourth proportional to 75,178,401.60, 112,767,602.40 and 52,503,585.60 is: 78,755,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178,401.60 : 112,767,602.40 = 52,503,585.60 : x
  2. Step 2: Convert to fraction form
    75,178,401.60/112,767,602.40 = 52,503,585.60/x
  3. Step 3: Cross multiply
    75,178,401.60x = 112,767,602.40 × 52,503,585.60
  4. Step 4: Simplify right side
    75,178,401.60x = 5,920,703,465,515,166
  5. Step 5: Solve for x
    x = 5,920,703,465,515,166/75,178,401.60
  6. Step 6: Final answer
    x = 78,755,378.40

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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.