Home / 93,312,100.80-139,968,151.20-91,800,446.40

Finding the Fourth Proportional to 93,312,100.80, 139,968,151.20 and 91,800,446.40

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Solution

The fourth proportional to 93,312,100.80, 139,968,151.20 and 91,800,446.40 is: 137,700,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,100.80 : 139,968,151.20 = 91,800,446.40 : x
  2. Step 2: Convert to fraction form
    93,312,100.80/139,968,151.20 = 91,800,446.40/x
  3. Step 3: Cross multiply
    93,312,100.80x = 139,968,151.20 × 91,800,446.40
  4. Step 4: Simplify right side
    93,312,100.80x = 12,849,138,761,942,696
  5. Step 5: Solve for x
    x = 12,849,138,761,942,696/93,312,100.80
  6. Step 6: Final answer
    x = 137,700,669.60

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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.