Home / 64,040,429.52-88,390,319.04-50,074,160.40

Finding the Fourth Proportional to 64,040,429.52, 88,390,319.04 and 50,074,160.40

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Solution

The fourth proportional to 64,040,429.52, 88,390,319.04 and 50,074,160.40 is: 69,113,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,040,429.52 : 88,390,319.04 = 50,074,160.40 : x
  2. Step 2: Convert to fraction form
    64,040,429.52/88,390,319.04 = 50,074,160.40/x
  3. Step 3: Cross multiply
    64,040,429.52x = 88,390,319.04 × 50,074,160.40
  4. Step 4: Simplify right side
    64,040,429.52x = 4,426,071,013,416,134
  5. Step 5: Solve for x
    x = 4,426,071,013,416,134/64,040,429.52
  6. Step 6: Final answer
    x = 69,113,699.68

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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.