Home / 75,178,281.60-112,767,422.40-52,503,465.60

Finding the Fourth Proportional to 75,178,281.60, 112,767,422.40 and 52,503,465.60

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Solution

The fourth proportional to 75,178,281.60, 112,767,422.40 and 52,503,465.60 is: 78,755,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178,281.60 : 112,767,422.40 = 52,503,465.60 : x
  2. Step 2: Convert to fraction form
    75,178,281.60/112,767,422.40 = 52,503,465.60/x
  3. Step 3: Cross multiply
    75,178,281.60x = 112,767,422.40 × 52,503,465.60
  4. Step 4: Simplify right side
    75,178,281.60x = 5,920,680,482,779,070
  5. Step 5: Solve for x
    x = 5,920,680,482,779,070/75,178,281.60
  6. Step 6: Final answer
    x = 78,755,198.40

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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.