Home / 139,781,887.65-209,672,831.41-42,737,595.37

Finding the Fourth Proportional to 139,781,887.65, 209,672,831.41 and 42,737,595.37

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Solution

The fourth proportional to 139,781,887.65, 209,672,831.41 and 42,737,595.37 is: 64,106,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,781,887.65 : 209,672,831.41 = 42,737,595.37 : x
  2. Step 2: Convert to fraction form
    139,781,887.65/209,672,831.41 = 42,737,595.37/x
  3. Step 3: Cross multiply
    139,781,887.65x = 209,672,831.41 × 42,737,595.37
  4. Step 4: Simplify right side
    139,781,887.65x = 8,960,912,628,251,780
  5. Step 5: Solve for x
    x = 8,960,912,628,251,780/139,781,887.65
  6. Step 6: Final answer
    x = 64,106,393.03

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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.