Home / 172,047,572.80-258,071,359.20-64,319,905.60

Finding the Fourth Proportional to 172,047,572.80, 258,071,359.20 and 64,319,905.60

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Solution

The fourth proportional to 172,047,572.80, 258,071,359.20 and 64,319,905.60 is: 96,479,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,047,572.80 : 258,071,359.20 = 64,319,905.60 : x
  2. Step 2: Convert to fraction form
    172,047,572.80/258,071,359.20 = 64,319,905.60/x
  3. Step 3: Cross multiply
    172,047,572.80x = 258,071,359.20 × 64,319,905.60
  4. Step 4: Simplify right side
    172,047,572.80x = 16,599,125,461,807,692
  5. Step 5: Solve for x
    x = 16,599,125,461,807,692/172,047,572.80
  6. Step 6: Final answer
    x = 96,479,858.40

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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.