Home / 105,787,887.50-158,609,389.31-53,871,995.77

Finding the Fourth Proportional to 105,787,887.50, 158,609,389.31 and 53,871,995.77

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Solution

The fourth proportional to 105,787,887.50, 158,609,389.31 and 53,871,995.77 is: 80,771,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787,887.50 : 158,609,389.31 = 53,871,995.77 : x
  2. Step 2: Convert to fraction form
    105,787,887.50/158,609,389.31 = 53,871,995.77/x
  3. Step 3: Cross multiply
    105,787,887.50x = 158,609,389.31 × 53,871,995.77
  4. Step 4: Simplify right side
    105,787,887.50x = 8,544,604,349,526,740
  5. Step 5: Solve for x
    x = 8,544,604,349,526,740/105,787,887.50
  6. Step 6: Final answer
    x = 80,771,102.92

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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.