Home / 139,968,104.30-209,952,156.45-37,728,478.70

Finding the Fourth Proportional to 139,968,104.30, 209,952,156.45 and 37,728,478.70

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Solution

The fourth proportional to 139,968,104.30, 209,952,156.45 and 37,728,478.70 is: 56,592,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,104.30 : 209,952,156.45 = 37,728,478.70 : x
  2. Step 2: Convert to fraction form
    139,968,104.30/209,952,156.45 = 37,728,478.70/x
  3. Step 3: Cross multiply
    139,968,104.30x = 209,952,156.45 × 37,728,478.70
  4. Step 4: Simplify right side
    139,968,104.30x = 7,921,175,462,642,893
  5. Step 5: Solve for x
    x = 7,921,175,462,642,893/139,968,104.30
  6. Step 6: Final answer
    x = 56,592,718.05

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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.