Home / 215,100,719,955.59-296,865,023,000.28-122,424,107,430

Finding the Fourth Proportional to 215,100,719,955.59, 296,865,023,000.28 and 122,424,107,430

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Solution

The fourth proportional to 215,100,719,955.59, 296,865,023,000.28 and 122,424,107,430 is: 168,960,082,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100,719,955.59 : 296,865,023,000.28 = 122,424,107,430 : x
  2. Step 2: Convert to fraction form
    215,100,719,955.59/296,865,023,000.28 = 122,424,107,430/x
  3. Step 3: Cross multiply
    215,100,719,955.59x = 296,865,023,000.28 × 122,424,107,430
  4. Step 4: Simplify right side
    215,100,719,955.59x = 36,343,435,467,995,704,459,264
  5. Step 5: Solve for x
    x = 36,343,435,467,995,704,459,264/215,100,719,955.59
  6. Step 6: Final answer
    x = 168,960,082,864.90

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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.