Home / 186,341,854.91-257,140,060.73-102,705,383.04

Finding the Fourth Proportional to 186,341,854.91, 257,140,060.73 and 102,705,383.04

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Solution

The fourth proportional to 186,341,854.91, 257,140,060.73 and 102,705,383.04 is: 141,726,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,341,854.91 : 257,140,060.73 = 102,705,383.04 : x
  2. Step 2: Convert to fraction form
    186,341,854.91/257,140,060.73 = 102,705,383.04/x
  3. Step 3: Cross multiply
    186,341,854.91x = 257,140,060.73 × 102,705,383.04
  4. Step 4: Simplify right side
    186,341,854.91x = 26,409,668,431,689,988
  5. Step 5: Solve for x
    x = 26,409,668,431,689,988/186,341,854.91
  6. Step 6: Final answer
    x = 141,726,980.47

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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.