Home / 93,312,842.20-139,969,263.30-89,911,619.80

Finding the Fourth Proportional to 93,312,842.20, 139,969,263.30 and 89,911,619.80

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Solution

The fourth proportional to 93,312,842.20, 139,969,263.30 and 89,911,619.80 is: 134,867,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,842.20 : 139,969,263.30 = 89,911,619.80 : x
  2. Step 2: Convert to fraction form
    93,312,842.20/139,969,263.30 = 89,911,619.80/x
  3. Step 3: Cross multiply
    93,312,842.20x = 139,969,263.30 × 89,911,619.80
  4. Step 4: Simplify right side
    93,312,842.20x = 12,584,863,185,515,694
  5. Step 5: Solve for x
    x = 12,584,863,185,515,694/93,312,842.20
  6. Step 6: Final answer
    x = 134,867,429.70

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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.