Home / 89,931,009.23-134,684,018.84-43,904,398.67

Finding the Fourth Proportional to 89,931,009.23, 134,684,018.84 and 43,904,398.67

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Solution

The fourth proportional to 89,931,009.23, 134,684,018.84 and 43,904,398.67 is: 65,752,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931,009.23 : 134,684,018.84 = 43,904,398.67 : x
  2. Step 2: Convert to fraction form
    89,931,009.23/134,684,018.84 = 43,904,398.67/x
  3. Step 3: Cross multiply
    89,931,009.23x = 134,684,018.84 × 43,904,398.67
  4. Step 4: Simplify right side
    89,931,009.23x = 5,913,220,857,629,151
  5. Step 5: Solve for x
    x = 5,913,220,857,629,151/89,931,009.23
  6. Step 6: Final answer
    x = 65,752,857.75

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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.