Home / 86,886,173.30-119,869,126.90-49,200,686.33

Finding the Fourth Proportional to 86,886,173.30, 119,869,126.90 and 49,200,686.33

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Solution

The fourth proportional to 86,886,173.30, 119,869,126.90 and 49,200,686.33 is: 67,877,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886,173.30 : 119,869,126.90 = 49,200,686.33 : x
  2. Step 2: Convert to fraction form
    86,886,173.30/119,869,126.90 = 49,200,686.33/x
  3. Step 3: Cross multiply
    86,886,173.30x = 119,869,126.90 × 49,200,686.33
  4. Step 4: Simplify right side
    86,886,173.30x = 5,897,643,312,535,518
  5. Step 5: Solve for x
    x = 5,897,643,312,535,518/86,886,173.30
  6. Step 6: Final answer
    x = 67,877,811.73

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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.