Home / 86,592,820.10-129,888,146.33-21,014,501.02

Finding the Fourth Proportional to 86,592,820.10, 129,888,146.33 and 21,014,501.02

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Solution

The fourth proportional to 86,592,820.10, 129,888,146.33 and 21,014,501.02 is: 31,521,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,592,820.10 : 129,888,146.33 = 21,014,501.02 : x
  2. Step 2: Convert to fraction form
    86,592,820.10/129,888,146.33 = 21,014,501.02/x
  3. Step 3: Cross multiply
    86,592,820.10x = 129,888,146.33 × 21,014,501.02
  4. Step 4: Simplify right side
    86,592,820.10x = 2,729,534,583,265,510
  5. Step 5: Solve for x
    x = 2,729,534,583,265,510/86,592,820.10
  6. Step 6: Final answer
    x = 31,521,488.51

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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.