Home / 243,163,885.79-335,565,718.78-131,654,712.94

Finding the Fourth Proportional to 243,163,885.79, 335,565,718.78 and 131,654,712.94

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Solution

The fourth proportional to 243,163,885.79, 335,565,718.78 and 131,654,712.94 is: 181,683,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,163,885.79 : 335,565,718.78 = 131,654,712.94 : x
  2. Step 2: Convert to fraction form
    243,163,885.79/335,565,718.78 = 131,654,712.94/x
  3. Step 3: Cross multiply
    243,163,885.79x = 335,565,718.78 × 131,654,712.94
  4. Step 4: Simplify right side
    243,163,885.79x = 44,178,808,378,485,664
  5. Step 5: Solve for x
    x = 44,178,808,378,485,664/243,163,885.79
  6. Step 6: Final answer
    x = 181,683,263.68

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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.