Home / 78,281,927.77-117,376,373.73-29,763,332.77

Finding the Fourth Proportional to 78,281,927.77, 117,376,373.73 and 29,763,332.77

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Solution

The fourth proportional to 78,281,927.77, 117,376,373.73 and 29,763,332.77 is: 44,627,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,281,927.77 : 117,376,373.73 = 29,763,332.77 : x
  2. Step 2: Convert to fraction form
    78,281,927.77/117,376,373.73 = 29,763,332.77/x
  3. Step 3: Cross multiply
    78,281,927.77x = 117,376,373.73 × 29,763,332.77
  4. Step 4: Simplify right side
    78,281,927.77x = 3,493,512,070,661,876
  5. Step 5: Solve for x
    x = 3,493,512,070,661,876/78,281,927.77
  6. Step 6: Final answer
    x = 44,627,312.72

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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.