Home / 254,657,669.17-381,986,026.98-79,794,089.77

Finding the Fourth Proportional to 254,657,669.17, 381,986,026.98 and 79,794,089.77

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Solution

The fourth proportional to 254,657,669.17, 381,986,026.98 and 79,794,089.77 is: 119,690,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,669.17 : 381,986,026.98 = 79,794,089.77 : x
  2. Step 2: Convert to fraction form
    254,657,669.17/381,986,026.98 = 79,794,089.77/x
  3. Step 3: Cross multiply
    254,657,669.17x = 381,986,026.98 × 79,794,089.77
  4. Step 4: Simplify right side
    254,657,669.17x = 30,480,227,327,727,760
  5. Step 5: Solve for x
    x = 30,480,227,327,727,760/254,657,669.17
  6. Step 6: Final answer
    x = 119,690,985.26

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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.