Home / 141,778,880.80-212,584,340.40-73,754,432.80

Finding the Fourth Proportional to 141,778,880.80, 212,584,340.40 and 73,754,432.80

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Solution

The fourth proportional to 141,778,880.80, 212,584,340.40 and 73,754,432.80 is: 110,587,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778,880.80 : 212,584,340.40 = 73,754,432.80 : x
  2. Step 2: Convert to fraction form
    141,778,880.80/212,584,340.40 = 73,754,432.80/x
  3. Step 3: Cross multiply
    141,778,880.80x = 212,584,340.40 × 73,754,432.80
  4. Step 4: Simplify right side
    141,778,880.80x = 15,679,037,448,364,124
  5. Step 5: Solve for x
    x = 15,679,037,448,364,124/141,778,880.80
  6. Step 6: Final answer
    x = 110,587,961.76

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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.