Home / 65,619,710,083.80-90,569,767,787.35-39,893,523,522.10

Finding the Fourth Proportional to 65,619,710,083.80, 90,569,767,787.35 and 39,893,523,522.10

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Solution

The fourth proportional to 65,619,710,083.80, 90,569,767,787.35 and 39,893,523,522.10 is: 55,061,919,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619,710,083.80 : 90,569,767,787.35 = 39,893,523,522.10 : x
  2. Step 2: Convert to fraction form
    65,619,710,083.80/90,569,767,787.35 = 39,893,523,522.10/x
  3. Step 3: Cross multiply
    65,619,710,083.80x = 90,569,767,787.35 × 39,893,523,522.10
  4. Step 4: Simplify right side
    65,619,710,083.80x = 3,613,147,161,615,793,127,424
  5. Step 5: Solve for x
    x = 3,613,147,161,615,793,127,424/65,619,710,083.80
  6. Step 6: Final answer
    x = 55,061,919,002.71

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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.