Home / 86,602,337.71-129,922,895.53-29,093,040.38

Finding the Fourth Proportional to 86,602,337.71, 129,922,895.53 and 29,093,040.38

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Solution

The fourth proportional to 86,602,337.71, 129,922,895.53 and 29,093,040.38 is: 43,646,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602,337.71 : 129,922,895.53 = 29,093,040.38 : x
  2. Step 2: Convert to fraction form
    86,602,337.71/129,922,895.53 = 29,093,040.38/x
  3. Step 3: Cross multiply
    86,602,337.71x = 129,922,895.53 × 29,093,040.38
  4. Step 4: Simplify right side
    86,602,337.71x = 3,779,852,045,940,811.50
  5. Step 5: Solve for x
    x = 3,779,852,045,940,811.50/86,602,337.71
  6. Step 6: Final answer
    x = 43,646,074.07

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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.