Home / 139,603,677.40-209,405,516.10-37,367,715.03

Finding the Fourth Proportional to 139,603,677.40, 209,405,516.10 and 37,367,715.03

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Solution

The fourth proportional to 139,603,677.40, 209,405,516.10 and 37,367,715.03 is: 56,051,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,603,677.40 : 209,405,516.10 = 37,367,715.03 : x
  2. Step 2: Convert to fraction form
    139,603,677.40/209,405,516.10 = 37,367,715.03/x
  3. Step 3: Cross multiply
    139,603,677.40x = 209,405,516.10 × 37,367,715.03
  4. Step 4: Simplify right side
    139,603,677.40x = 7,825,005,651,334,877
  5. Step 5: Solve for x
    x = 7,825,005,651,334,877/139,603,677.40
  6. Step 6: Final answer
    x = 56,051,572.55

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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.