Home / 128,705,523.51-192,799,798.59-59,521,353.15

Finding the Fourth Proportional to 128,705,523.51, 192,799,798.59 and 59,521,353.15

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Solution

The fourth proportional to 128,705,523.51, 192,799,798.59 and 59,521,353.15 is: 89,162,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,705,523.51 : 192,799,798.59 = 59,521,353.15 : x
  2. Step 2: Convert to fraction form
    128,705,523.51/192,799,798.59 = 59,521,353.15/x
  3. Step 3: Cross multiply
    128,705,523.51x = 192,799,798.59 × 59,521,353.15
  4. Step 4: Simplify right side
    128,705,523.51x = 11,475,704,899,124,262
  5. Step 5: Solve for x
    x = 11,475,704,899,124,262/128,705,523.51
  6. Step 6: Final answer
    x = 89,162,489.58

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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.