Home / 189,408,701.60-284,113,052.40-87,372,029.60

Finding the Fourth Proportional to 189,408,701.60, 284,113,052.40 and 87,372,029.60

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Solution

The fourth proportional to 189,408,701.60, 284,113,052.40 and 87,372,029.60 is: 131,058,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,408,701.60 : 284,113,052.40 = 87,372,029.60 : x
  2. Step 2: Convert to fraction form
    189,408,701.60/284,113,052.40 = 87,372,029.60/x
  3. Step 3: Cross multiply
    189,408,701.60x = 284,113,052.40 × 87,372,029.60
  4. Step 4: Simplify right side
    189,408,701.60x = 24,823,534,024,039,148
  5. Step 5: Solve for x
    x = 24,823,534,024,039,148/189,408,701.60
  6. Step 6: Final answer
    x = 131,058,044.40

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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.