Home / 78,733,085.30-118,099,627.95-70,796,899.70

Finding the Fourth Proportional to 78,733,085.30, 118,099,627.95 and 70,796,899.70

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Solution

The fourth proportional to 78,733,085.30, 118,099,627.95 and 70,796,899.70 is: 106,195,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,085.30 : 118,099,627.95 = 70,796,899.70 : x
  2. Step 2: Convert to fraction form
    78,733,085.30/118,099,627.95 = 70,796,899.70/x
  3. Step 3: Cross multiply
    78,733,085.30x = 118,099,627.95 × 70,796,899.70
  4. Step 4: Simplify right side
    78,733,085.30x = 8,361,087,514,583,467
  5. Step 5: Solve for x
    x = 8,361,087,514,583,467/78,733,085.30
  6. Step 6: Final answer
    x = 106,195,349.55

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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.