Home / 133,444,848.60-200,167,272.90-81,788,783.40

Finding the Fourth Proportional to 133,444,848.60, 200,167,272.90 and 81,788,783.40

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Solution

The fourth proportional to 133,444,848.60, 200,167,272.90 and 81,788,783.40 is: 122,683,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,444,848.60 : 200,167,272.90 = 81,788,783.40 : x
  2. Step 2: Convert to fraction form
    133,444,848.60/200,167,272.90 = 81,788,783.40/x
  3. Step 3: Cross multiply
    133,444,848.60x = 200,167,272.90 × 81,788,783.40
  4. Step 4: Simplify right side
    133,444,848.60x = 16,371,437,726,986,792
  5. Step 5: Solve for x
    x = 16,371,437,726,986,792/133,444,848.60
  6. Step 6: Final answer
    x = 122,683,175.10

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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.