Home / 145,077,897.60-217,616,846.40-112,199,414.40

Finding the Fourth Proportional to 145,077,897.60, 217,616,846.40 and 112,199,414.40

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Solution

The fourth proportional to 145,077,897.60, 217,616,846.40 and 112,199,414.40 is: 168,299,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,077,897.60 : 217,616,846.40 = 112,199,414.40 : x
  2. Step 2: Convert to fraction form
    145,077,897.60/217,616,846.40 = 112,199,414.40/x
  3. Step 3: Cross multiply
    145,077,897.60x = 217,616,846.40 × 112,199,414.40
  4. Step 4: Simplify right side
    145,077,897.60x = 24,416,482,729,654,752
  5. Step 5: Solve for x
    x = 24,416,482,729,654,752/145,077,897.60
  6. Step 6: Final answer
    x = 168,299,121.60

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1.5x scale

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.