Home / 149,688,217.80-224,532,326.70-85,190,963.40

Finding the Fourth Proportional to 149,688,217.80, 224,532,326.70 and 85,190,963.40

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Solution

The fourth proportional to 149,688,217.80, 224,532,326.70 and 85,190,963.40 is: 127,786,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,217.80 : 224,532,326.70 = 85,190,963.40 : x
  2. Step 2: Convert to fraction form
    149,688,217.80/224,532,326.70 = 85,190,963.40/x
  3. Step 3: Cross multiply
    149,688,217.80x = 224,532,326.70 × 85,190,963.40
  4. Step 4: Simplify right side
    149,688,217.80x = 19,128,125,226,016,544
  5. Step 5: Solve for x
    x = 19,128,125,226,016,544/149,688,217.80
  6. Step 6: Final answer
    x = 127,786,445.10

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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.