Home / 220,657,360.47-304,507,143.01-127,891,676.71

Finding the Fourth Proportional to 220,657,360.47, 304,507,143.01 and 127,891,676.71

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Solution

The fourth proportional to 220,657,360.47, 304,507,143.01 and 127,891,676.71 is: 176,490,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,360.47 : 304,507,143.01 = 127,891,676.71 : x
  2. Step 2: Convert to fraction form
    220,657,360.47/304,507,143.01 = 127,891,676.71/x
  3. Step 3: Cross multiply
    220,657,360.47x = 304,507,143.01 × 127,891,676.71
  4. Step 4: Simplify right side
    220,657,360.47x = 38,943,929,089,720,656
  5. Step 5: Solve for x
    x = 38,943,929,089,720,656/220,657,360.47
  6. Step 6: Final answer
    x = 176,490,505.49

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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.