Home / 186,605,140.20-257,566,312.92-108,313,916.68

Finding the Fourth Proportional to 186,605,140.20, 257,566,312.92 and 108,313,916.68

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Solution

The fourth proportional to 186,605,140.20, 257,566,312.92 and 108,313,916.68 is: 149,502,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,140.20 : 257,566,312.92 = 108,313,916.68 : x
  2. Step 2: Convert to fraction form
    186,605,140.20/257,566,312.92 = 108,313,916.68/x
  3. Step 3: Cross multiply
    186,605,140.20x = 257,566,312.92 × 108,313,916.68
  4. Step 4: Simplify right side
    186,605,140.20x = 27,898,016,157,191,688
  5. Step 5: Solve for x
    x = 27,898,016,157,191,688/186,605,140.20
  6. Step 6: Final answer
    x = 149,502,935.06

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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.