Home / 78,732,704.76-108,651,200.22-43,925,400.60

Finding the Fourth Proportional to 78,732,704.76, 108,651,200.22 and 43,925,400.60

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Solution

The fourth proportional to 78,732,704.76, 108,651,200.22 and 43,925,400.60 is: 60,617,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,704.76 : 108,651,200.22 = 43,925,400.60 : x
  2. Step 2: Convert to fraction form
    78,732,704.76/108,651,200.22 = 43,925,400.60/x
  3. Step 3: Cross multiply
    78,732,704.76x = 108,651,200.22 × 43,925,400.60
  4. Step 4: Simplify right side
    78,732,704.76x = 4,772,547,495,334,308
  5. Step 5: Solve for x
    x = 4,772,547,495,334,308/78,732,704.76
  6. Step 6: Final answer
    x = 60,617,090.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.