Home / 310,274,091.96-428,179,543.02-171,041,799

Finding the Fourth Proportional to 310,274,091.96, 428,179,543.02 and 171,041,799

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Solution

The fourth proportional to 310,274,091.96, 428,179,543.02 and 171,041,799 is: 236,038,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,274,091.96 : 428,179,543.02 = 171,041,799 : x
  2. Step 2: Convert to fraction form
    310,274,091.96/428,179,543.02 = 171,041,799/x
  3. Step 3: Cross multiply
    310,274,091.96x = 428,179,543.02 × 171,041,799
  4. Step 4: Simplify right side
    310,274,091.96x = 73,236,599,333,138,688
  5. Step 5: Solve for x
    x = 73,236,599,333,138,688/310,274,091.96
  6. Step 6: Final answer
    x = 236,038,397.12

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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.