Home / 117,504,015.40-176,256,023.10-90,630,159.40

Finding the Fourth Proportional to 117,504,015.40, 176,256,023.10 and 90,630,159.40

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Solution

The fourth proportional to 117,504,015.40, 176,256,023.10 and 90,630,159.40 is: 135,945,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,015.40 : 176,256,023.10 = 90,630,159.40 : x
  2. Step 2: Convert to fraction form
    117,504,015.40/176,256,023.10 = 90,630,159.40/x
  3. Step 3: Cross multiply
    117,504,015.40x = 176,256,023.10 × 90,630,159.40
  4. Step 4: Simplify right side
    117,504,015.40x = 15,974,111,468,763,082
  5. Step 5: Solve for x
    x = 15,974,111,468,763,082/117,504,015.40
  6. Step 6: Final answer
    x = 135,945,239.10

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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.