Home / 139,968,231.80-209,952,347.70-37,728,606.20

Finding the Fourth Proportional to 139,968,231.80, 209,952,347.70 and 37,728,606.20

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Solution

The fourth proportional to 139,968,231.80, 209,952,347.70 and 37,728,606.20 is: 56,592,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,231.80 : 209,952,347.70 = 37,728,606.20 : x
  2. Step 2: Convert to fraction form
    139,968,231.80/209,952,347.70 = 37,728,606.20/x
  3. Step 3: Cross multiply
    139,968,231.80x = 209,952,347.70 × 37,728,606.20
  4. Step 4: Simplify right side
    139,968,231.80x = 7,921,209,447,138,776
  5. Step 5: Solve for x
    x = 7,921,209,447,138,776/139,968,231.80
  6. Step 6: Final answer
    x = 56,592,909.30

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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.