Home / 84,876,887.28-127,061,567.73-51,983,886.48

Finding the Fourth Proportional to 84,876,887.28, 127,061,567.73 and 51,983,886.48

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Solution

The fourth proportional to 84,876,887.28, 127,061,567.73 and 51,983,886.48 is: 77,820,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876,887.28 : 127,061,567.73 = 51,983,886.48 : x
  2. Step 2: Convert to fraction form
    84,876,887.28/127,061,567.73 = 51,983,886.48/x
  3. Step 3: Cross multiply
    84,876,887.28x = 127,061,567.73 × 51,983,886.48
  4. Step 4: Simplify right side
    84,876,887.28x = 6,605,154,112,847,151
  5. Step 5: Solve for x
    x = 6,605,154,112,847,151/84,876,887.28
  6. Step 6: Final answer
    x = 77,820,409.35

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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.