Home / 89,142,005.40-133,500,431.70-89,142,005.40

Finding the Fourth Proportional to 89,142,005.40, 133,500,431.70 and 89,142,005.40

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Solution

The fourth proportional to 89,142,005.40, 133,500,431.70 and 89,142,005.40 is: 133,500,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,142,005.40 : 133,500,431.70 = 89,142,005.40 : x
  2. Step 2: Convert to fraction form
    89,142,005.40/133,500,431.70 = 89,142,005.40/x
  3. Step 3: Cross multiply
    89,142,005.40x = 133,500,431.70 × 89,142,005.40
  4. Step 4: Simplify right side
    89,142,005.40x = 11,900,496,203,503,732
  5. Step 5: Solve for x
    x = 11,900,496,203,503,732/89,142,005.40
  6. Step 6: Final answer
    x = 133,500,431.70

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1.5x scale

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.