Home / 133,030,832.40-199,546,248.60-87,643,875.60

Finding the Fourth Proportional to 133,030,832.40, 199,546,248.60 and 87,643,875.60

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Solution

The fourth proportional to 133,030,832.40, 199,546,248.60 and 87,643,875.60 is: 131,465,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030,832.40 : 199,546,248.60 = 87,643,875.60 : x
  2. Step 2: Convert to fraction form
    133,030,832.40/199,546,248.60 = 87,643,875.60/x
  3. Step 3: Cross multiply
    133,030,832.40x = 199,546,248.60 × 87,643,875.60
  4. Step 4: Simplify right side
    133,030,832.40x = 17,489,006,588,745,072
  5. Step 5: Solve for x
    x = 17,489,006,588,745,072/133,030,832.40
  6. Step 6: Final answer
    x = 131,465,813.40

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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.