Home / 141,164,117.20-211,746,175.80-102,422,068.30

Finding the Fourth Proportional to 141,164,117.20, 211,746,175.80 and 102,422,068.30

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Solution

The fourth proportional to 141,164,117.20, 211,746,175.80 and 102,422,068.30 is: 153,633,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,164,117.20 : 211,746,175.80 = 102,422,068.30 : x
  2. Step 2: Convert to fraction form
    141,164,117.20/211,746,175.80 = 102,422,068.30/x
  3. Step 3: Cross multiply
    141,164,117.20x = 211,746,175.80 × 102,422,068.30
  4. Step 4: Simplify right side
    141,164,117.20x = 21,687,481,280,051,408
  5. Step 5: Solve for x
    x = 21,687,481,280,051,408/141,164,117.20
  6. Step 6: Final answer
    x = 153,633,102.45

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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.