Home / 105,871,804,977.60-158,807,707,466.40-105,137,140,939.20

Finding the Fourth Proportional to 105,871,804,977.60, 158,807,707,466.40 and 105,137,140,939.20

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Solution

The fourth proportional to 105,871,804,977.60, 158,807,707,466.40 and 105,137,140,939.20 is: 157,705,711,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,871,804,977.60 : 158,807,707,466.40 = 105,137,140,939.20 : x
  2. Step 2: Convert to fraction form
    105,871,804,977.60/158,807,707,466.40 = 105,137,140,939.20/x
  3. Step 3: Cross multiply
    105,871,804,977.60x = 158,807,707,466.40 × 105,137,140,939.20
  4. Step 4: Simplify right side
    105,871,804,977.60x = 16,696,588,322,126,140,801,024
  5. Step 5: Solve for x
    x = 16,696,588,322,126,140,801,024/105,871,804,977.60
  6. Step 6: Final answer
    x = 157,705,711,408.80

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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.