Home / 186,341,854.53-257,140,060.21-102,705,382.67

Finding the Fourth Proportional to 186,341,854.53, 257,140,060.21 and 102,705,382.67

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Solution

The fourth proportional to 186,341,854.53, 257,140,060.21 and 102,705,382.67 is: 141,726,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,341,854.53 : 257,140,060.21 = 102,705,382.67 : x
  2. Step 2: Convert to fraction form
    186,341,854.53/257,140,060.21 = 102,705,382.67/x
  3. Step 3: Cross multiply
    186,341,854.53x = 257,140,060.21 × 102,705,382.67
  4. Step 4: Simplify right side
    186,341,854.53x = 26,409,668,283,654,892
  5. Step 5: Solve for x
    x = 26,409,668,283,654,892/186,341,854.53
  6. Step 6: Final answer
    x = 141,726,979.97

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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.