Home / 90,795,547.20-136,193,320.80-56,755,329.60

Finding the Fourth Proportional to 90,795,547.20, 136,193,320.80 and 56,755,329.60

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Solution

The fourth proportional to 90,795,547.20, 136,193,320.80 and 56,755,329.60 is: 85,132,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795,547.20 : 136,193,320.80 = 56,755,329.60 : x
  2. Step 2: Convert to fraction form
    90,795,547.20/136,193,320.80 = 56,755,329.60/x
  3. Step 3: Cross multiply
    90,795,547.20x = 136,193,320.80 × 56,755,329.60
  4. Step 4: Simplify right side
    90,795,547.20x = 7,729,696,811,322,537
  5. Step 5: Solve for x
    x = 7,729,696,811,322,537/90,795,547.20
  6. Step 6: Final answer
    x = 85,132,994.40

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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.