Home / 117,534,458.60-176,301,687.90-85,285,831.40

Finding the Fourth Proportional to 117,534,458.60, 176,301,687.90 and 85,285,831.40

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Solution

The fourth proportional to 117,534,458.60, 176,301,687.90 and 85,285,831.40 is: 127,928,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534,458.60 : 176,301,687.90 = 85,285,831.40 : x
  2. Step 2: Convert to fraction form
    117,534,458.60/176,301,687.90 = 85,285,831.40/x
  3. Step 3: Cross multiply
    117,534,458.60x = 176,301,687.90 × 85,285,831.40
  4. Step 4: Simplify right side
    117,534,458.60x = 15,036,036,029,774,822
  5. Step 5: Solve for x
    x = 15,036,036,029,774,822/117,534,458.60
  6. Step 6: Final answer
    x = 127,928,747.10

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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.