Home / 186,890,633.20-257,911,779.80-103,260,687.92

Finding the Fourth Proportional to 186,890,633.20, 257,911,779.80 and 103,260,687.92

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Solution

The fourth proportional to 186,890,633.20, 257,911,779.80 and 103,260,687.92 is: 142,501,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,890,633.20 : 257,911,779.80 = 103,260,687.92 : x
  2. Step 2: Convert to fraction form
    186,890,633.20/257,911,779.80 = 103,260,687.92/x
  3. Step 3: Cross multiply
    186,890,633.20x = 257,911,779.80 × 103,260,687.92
  4. Step 4: Simplify right side
    186,890,633.20x = 26,632,147,804,819,560
  5. Step 5: Solve for x
    x = 26,632,147,804,819,560/186,890,633.20
  6. Step 6: Final answer
    x = 142,501,244.44

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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.