Home / 64,973,375.46-89,663,272.65-38,868,980.58

Finding the Fourth Proportional to 64,973,375.46, 89,663,272.65 and 38,868,980.58

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Solution

The fourth proportional to 64,973,375.46, 89,663,272.65 and 38,868,980.58 is: 53,639,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,973,375.46 : 89,663,272.65 = 38,868,980.58 : x
  2. Step 2: Convert to fraction form
    64,973,375.46/89,663,272.65 = 38,868,980.58/x
  3. Step 3: Cross multiply
    64,973,375.46x = 89,663,272.65 × 38,868,980.58
  4. Step 4: Simplify right side
    64,973,375.46x = 3,485,120,003,372,095
  5. Step 5: Solve for x
    x = 3,485,120,003,372,095/64,973,375.46
  6. Step 6: Final answer
    x = 53,639,201.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.