Home / 67,051,618.40-100,428,128.40-58,093,666.40

Finding the Fourth Proportional to 67,051,618.40, 100,428,128.40 and 58,093,666.40

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Solution

The fourth proportional to 67,051,618.40, 100,428,128.40 and 58,093,666.40 is: 87,011,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051,618.40 : 100,428,128.40 = 58,093,666.40 : x
  2. Step 2: Convert to fraction form
    67,051,618.40/100,428,128.40 = 58,093,666.40/x
  3. Step 3: Cross multiply
    67,051,618.40x = 100,428,128.40 × 58,093,666.40
  4. Step 4: Simplify right side
    67,051,618.40x = 5,834,238,188,445,966
  5. Step 5: Solve for x
    x = 5,834,238,188,445,966/67,051,618.40
  6. Step 6: Final answer
    x = 87,011,146.45

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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.