Home / 139,913,371.98-209,896,957.77-53,645,050.17

Finding the Fourth Proportional to 139,913,371.98, 209,896,957.77 and 53,645,050.17

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Solution

The fourth proportional to 139,913,371.98, 209,896,957.77 and 53,645,050.17 is: 80,477,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913,371.98 : 209,896,957.77 = 53,645,050.17 : x
  2. Step 2: Convert to fraction form
    139,913,371.98/209,896,957.77 = 53,645,050.17/x
  3. Step 3: Cross multiply
    139,913,371.98x = 209,896,957.77 × 53,645,050.17
  4. Step 4: Simplify right side
    139,913,371.98x = 11,259,932,829,900,854
  5. Step 5: Solve for x
    x = 11,259,932,829,900,854/139,913,371.98
  6. Step 6: Final answer
    x = 80,477,889.07

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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.