Home / 107,218,989.40-160,828,484.10-89,362,571.80

Finding the Fourth Proportional to 107,218,989.40, 160,828,484.10 and 89,362,571.80

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Solution

The fourth proportional to 107,218,989.40, 160,828,484.10 and 89,362,571.80 is: 134,043,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218,989.40 : 160,828,484.10 = 89,362,571.80 : x
  2. Step 2: Convert to fraction form
    107,218,989.40/160,828,484.10 = 89,362,571.80/x
  3. Step 3: Cross multiply
    107,218,989.40x = 160,828,484.10 × 89,362,571.80
  4. Step 4: Simplify right side
    107,218,989.40x = 14,372,046,957,871,408
  5. Step 5: Solve for x
    x = 14,372,046,957,871,408/107,218,989.40
  6. Step 6: Final answer
    x = 134,043,857.70

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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.