Home / 263,381,838.02-363,440,447.56-145,885,215.18

Finding the Fourth Proportional to 263,381,838.02, 363,440,447.56 and 145,885,215.18

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Solution

The fourth proportional to 263,381,838.02, 363,440,447.56 and 145,885,215.18 is: 201,306,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,381,838.02 : 363,440,447.56 = 145,885,215.18 : x
  2. Step 2: Convert to fraction form
    263,381,838.02/363,440,447.56 = 145,885,215.18/x
  3. Step 3: Cross multiply
    263,381,838.02x = 363,440,447.56 × 145,885,215.18
  4. Step 4: Simplify right side
    263,381,838.02x = 53,020,587,897,406,112
  5. Step 5: Solve for x
    x = 53,020,587,897,406,112/263,381,838.02
  6. Step 6: Final answer
    x = 201,306,924.94

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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.