Home / 139,540,139.27-209,294,237.68-37,312,148.51

Finding the Fourth Proportional to 139,540,139.27, 209,294,237.68 and 37,312,148.51

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Solution

The fourth proportional to 139,540,139.27, 209,294,237.68 and 37,312,148.51 is: 55,963,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,540,139.27 : 209,294,237.68 = 37,312,148.51 : x
  2. Step 2: Convert to fraction form
    139,540,139.27/209,294,237.68 = 37,312,148.51/x
  3. Step 3: Cross multiply
    139,540,139.27x = 209,294,237.68 × 37,312,148.51
  4. Step 4: Simplify right side
    139,540,139.27x = 7,809,217,678,248,500
  5. Step 5: Solve for x
    x = 7,809,217,678,248,500/139,540,139.27
  6. Step 6: Final answer
    x = 55,963,952.16

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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.