Home / 118,341,386.10-177,512,079.15-66,685,320.90

Finding the Fourth Proportional to 118,341,386.10, 177,512,079.15 and 66,685,320.90

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Solution

The fourth proportional to 118,341,386.10, 177,512,079.15 and 66,685,320.90 is: 100,027,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,386.10 : 177,512,079.15 = 66,685,320.90 : x
  2. Step 2: Convert to fraction form
    118,341,386.10/177,512,079.15 = 66,685,320.90/x
  3. Step 3: Cross multiply
    118,341,386.10x = 177,512,079.15 × 66,685,320.90
  4. Step 4: Simplify right side
    118,341,386.10x = 11,837,449,961,743,950
  5. Step 5: Solve for x
    x = 11,837,449,961,743,950/118,341,386.10
  6. Step 6: Final answer
    x = 100,027,981.35

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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.