Home / 93,145,908.80-139,718,863.20-42,127,572.80

Finding the Fourth Proportional to 93,145,908.80, 139,718,863.20 and 42,127,572.80

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Solution

The fourth proportional to 93,145,908.80, 139,718,863.20 and 42,127,572.80 is: 63,191,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145,908.80 : 139,718,863.20 = 42,127,572.80 : x
  2. Step 2: Convert to fraction form
    93,145,908.80/139,718,863.20 = 42,127,572.80/x
  3. Step 3: Cross multiply
    93,145,908.80x = 139,718,863.20 × 42,127,572.80
  4. Step 4: Simplify right side
    93,145,908.80x = 5,886,016,580,991,240
  5. Step 5: Solve for x
    x = 5,886,016,580,991,240/93,145,908.80
  6. Step 6: Final answer
    x = 63,191,359.20

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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.