Home / 89,968,009.40-134,952,014.10-55,955,785.40

Finding the Fourth Proportional to 89,968,009.40, 134,952,014.10 and 55,955,785.40

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Solution

The fourth proportional to 89,968,009.40, 134,952,014.10 and 55,955,785.40 is: 83,933,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,968,009.40 : 134,952,014.10 = 55,955,785.40 : x
  2. Step 2: Convert to fraction form
    89,968,009.40/134,952,014.10 = 55,955,785.40/x
  3. Step 3: Cross multiply
    89,968,009.40x = 134,952,014.10 × 55,955,785.40
  4. Step 4: Simplify right side
    89,968,009.40x = 7,551,345,940,277,374
  5. Step 5: Solve for x
    x = 7,551,345,940,277,374/89,968,009.40
  6. Step 6: Final answer
    x = 83,933,678.10

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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.