Home / 141,732,311.49-212,552,510.52-54,289,175.49

Finding the Fourth Proportional to 141,732,311.49, 212,552,510.52 and 54,289,175.49

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Solution

The fourth proportional to 141,732,311.49, 212,552,510.52 and 54,289,175.49 is: 81,416,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,732,311.49 : 212,552,510.52 = 54,289,175.49 : x
  2. Step 2: Convert to fraction form
    141,732,311.49/212,552,510.52 = 54,289,175.49/x
  3. Step 3: Cross multiply
    141,732,311.49x = 212,552,510.52 × 54,289,175.49
  4. Step 4: Simplify right side
    141,732,311.49x = 11,539,300,544,460,352
  5. Step 5: Solve for x
    x = 11,539,300,544,460,352/141,732,311.49
  6. Step 6: Final answer
    x = 81,416,159.96

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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.