Home / 141,919,209.40-212,878,814.10-127,558,492.60

Finding the Fourth Proportional to 141,919,209.40, 212,878,814.10 and 127,558,492.60

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Solution

The fourth proportional to 141,919,209.40, 212,878,814.10 and 127,558,492.60 is: 191,337,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,919,209.40 : 212,878,814.10 = 127,558,492.60 : x
  2. Step 2: Convert to fraction form
    141,919,209.40/212,878,814.10 = 127,558,492.60/x
  3. Step 3: Cross multiply
    141,919,209.40x = 212,878,814.10 × 127,558,492.60
  4. Step 4: Simplify right side
    141,919,209.40x = 27,154,500,633,071,624
  5. Step 5: Solve for x
    x = 27,154,500,633,071,624/141,919,209.40
  6. Step 6: Final answer
    x = 191,337,738.90

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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.