Home / 107,872,021.80-161,808,032.70-36,068,437.80

Finding the Fourth Proportional to 107,872,021.80, 161,808,032.70 and 36,068,437.80

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Solution

The fourth proportional to 107,872,021.80, 161,808,032.70 and 36,068,437.80 is: 54,102,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872,021.80 : 161,808,032.70 = 36,068,437.80 : x
  2. Step 2: Convert to fraction form
    107,872,021.80/161,808,032.70 = 36,068,437.80/x
  3. Step 3: Cross multiply
    107,872,021.80x = 161,808,032.70 × 36,068,437.80
  4. Step 4: Simplify right side
    107,872,021.80x = 5,836,162,962,980,315
  5. Step 5: Solve for x
    x = 5,836,162,962,980,315/107,872,021.80
  6. Step 6: Final answer
    x = 54,102,656.70

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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.