Home / 141,264,411.20-211,896,616.80-100,449,742.40

Finding the Fourth Proportional to 141,264,411.20, 211,896,616.80 and 100,449,742.40

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Solution

The fourth proportional to 141,264,411.20, 211,896,616.80 and 100,449,742.40 is: 150,674,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,264,411.20 : 211,896,616.80 = 100,449,742.40 : x
  2. Step 2: Convert to fraction form
    141,264,411.20/211,896,616.80 = 100,449,742.40/x
  3. Step 3: Cross multiply
    141,264,411.20x = 211,896,616.80 × 100,449,742.40
  4. Step 4: Simplify right side
    141,264,411.20x = 21,284,960,572,991,516
  5. Step 5: Solve for x
    x = 21,284,960,572,991,516/141,264,411.20
  6. Step 6: Final answer
    x = 150,674,613.60

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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.