Home / 112,968,829,909.52-155,904,065,341.80-62,219,762,481.68

Finding the Fourth Proportional to 112,968,829,909.52, 155,904,065,341.80 and 62,219,762,481.68

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Solution

The fourth proportional to 112,968,829,909.52, 155,904,065,341.80 and 62,219,762,481.68 is: 85,867,171,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,968,829,909.52 : 155,904,065,341.80 = 62,219,762,481.68 : x
  2. Step 2: Convert to fraction form
    112,968,829,909.52/155,904,065,341.80 = 62,219,762,481.68/x
  3. Step 3: Cross multiply
    112,968,829,909.52x = 155,904,065,341.80 × 62,219,762,481.68
  4. Step 4: Simplify right side
    112,968,829,909.52x = 9,700,313,915,495,114,866,688
  5. Step 5: Solve for x
    x = 9,700,313,915,495,114,866,688/112,968,829,909.52
  6. Step 6: Final answer
    x = 85,867,171,708.02

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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.