Home / 110,779,285.24-166,020,394.14-86,216,870.92

Finding the Fourth Proportional to 110,779,285.24, 166,020,394.14 and 86,216,870.92

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Solution

The fourth proportional to 110,779,285.24, 166,020,394.14 and 86,216,870.92 is: 129,209,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,285.24 : 166,020,394.14 = 86,216,870.92 : x
  2. Step 2: Convert to fraction form
    110,779,285.24/166,020,394.14 = 86,216,870.92/x
  3. Step 3: Cross multiply
    110,779,285.24x = 166,020,394.14 × 86,216,870.92
  4. Step 4: Simplify right side
    110,779,285.24x = 14,313,758,891,655,904
  5. Step 5: Solve for x
    x = 14,313,758,891,655,904/110,779,285.24
  6. Step 6: Final answer
    x = 129,209,706.13

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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.