Home / 139,968,666.30-209,952,999.45-59,189,634.30

Finding the Fourth Proportional to 139,968,666.30, 209,952,999.45 and 59,189,634.30

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Solution

The fourth proportional to 139,968,666.30, 209,952,999.45 and 59,189,634.30 is: 88,784,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,666.30 : 209,952,999.45 = 59,189,634.30 : x
  2. Step 2: Convert to fraction form
    139,968,666.30/209,952,999.45 = 59,189,634.30/x
  3. Step 3: Cross multiply
    139,968,666.30x = 209,952,999.45 × 59,189,634.30
  4. Step 4: Simplify right side
    139,968,666.30x = 12,427,041,257,633,600
  5. Step 5: Solve for x
    x = 12,427,041,257,633,600/139,968,666.30
  6. Step 6: Final answer
    x = 88,784,451.45

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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.