Home / 64,973,436.96-89,663,357.52-38,869,042.08

Finding the Fourth Proportional to 64,973,436.96, 89,663,357.52 and 38,869,042.08

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Solution

The fourth proportional to 64,973,436.96, 89,663,357.52 and 38,869,042.08 is: 53,639,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,973,436.96 : 89,663,357.52 = 38,869,042.08 : x
  2. Step 2: Convert to fraction form
    64,973,436.96/89,663,357.52 = 38,869,042.08/x
  3. Step 3: Cross multiply
    64,973,436.96x = 89,663,357.52 × 38,869,042.08
  4. Step 4: Simplify right side
    64,973,436.96x = 3,485,128,816,478,964
  5. Step 5: Solve for x
    x = 3,485,128,816,478,964/64,973,436.96
  6. Step 6: Final answer
    x = 53,639,286.75

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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.