Home / 51,201,264.66-76,801,970.90-20,909,127.66

Finding the Fourth Proportional to 51,201,264.66, 76,801,970.90 and 20,909,127.66

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Solution

The fourth proportional to 51,201,264.66, 76,801,970.90 and 20,909,127.66 is: 31,363,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,264.66 : 76,801,970.90 = 20,909,127.66 : x
  2. Step 2: Convert to fraction form
    51,201,264.66/76,801,970.90 = 20,909,127.66/x
  3. Step 3: Cross multiply
    51,201,264.66x = 76,801,970.90 × 20,909,127.66
  4. Step 4: Simplify right side
    51,201,264.66x = 1,605,862,214,087,705.25
  5. Step 5: Solve for x
    x = 1,605,862,214,087,705.25/51,201,264.66
  6. Step 6: Final answer
    x = 31,363,721.67

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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.