Home / 93,312,855.20-139,969,282.80-89,911,632.80

Finding the Fourth Proportional to 93,312,855.20, 139,969,282.80 and 89,911,632.80

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Solution

The fourth proportional to 93,312,855.20, 139,969,282.80 and 89,911,632.80 is: 134,867,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,855.20 : 139,969,282.80 = 89,911,632.80 : x
  2. Step 2: Convert to fraction form
    93,312,855.20/139,969,282.80 = 89,911,632.80/x
  3. Step 3: Cross multiply
    93,312,855.20x = 139,969,282.80 × 89,911,632.80
  4. Step 4: Simplify right side
    93,312,855.20x = 12,584,866,758,392,956
  5. Step 5: Solve for x
    x = 12,584,866,758,392,956/93,312,855.20
  6. Step 6: Final answer
    x = 134,867,449.20

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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.