Home / 117,506,174.40-176,259,261.60-90,632,318.40

Finding the Fourth Proportional to 117,506,174.40, 176,259,261.60 and 90,632,318.40

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Solution

The fourth proportional to 117,506,174.40, 176,259,261.60 and 90,632,318.40 is: 135,948,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506,174.40 : 176,259,261.60 = 90,632,318.40 : x
  2. Step 2: Convert to fraction form
    117,506,174.40/176,259,261.60 = 90,632,318.40/x
  3. Step 3: Cross multiply
    117,506,174.40x = 176,259,261.60 × 90,632,318.40
  4. Step 4: Simplify right side
    117,506,174.40x = 15,974,785,518,280,094
  5. Step 5: Solve for x
    x = 15,974,785,518,280,094/117,506,174.40
  6. Step 6: Final answer
    x = 135,948,477.60

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Similar ratio
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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.