Home / 142,718,857.49-214,060,024.77-45,666,445.97

Finding the Fourth Proportional to 142,718,857.49, 214,060,024.77 and 45,666,445.97

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Solution

The fourth proportional to 142,718,857.49, 214,060,024.77 and 45,666,445.97 is: 68,493,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718,857.49 : 214,060,024.77 = 45,666,445.97 : x
  2. Step 2: Convert to fraction form
    142,718,857.49/214,060,024.77 = 45,666,445.97/x
  3. Step 3: Cross multiply
    142,718,857.49x = 214,060,024.77 × 45,666,445.97
  4. Step 4: Simplify right side
    142,718,857.49x = 9,775,360,554,425,768
  5. Step 5: Solve for x
    x = 9,775,360,554,425,768/142,718,857.49
  6. Step 6: Final answer
    x = 68,493,825.74

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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.