Home / 209,090,340.23-288,605,494.90-139,475,555.03

Finding the Fourth Proportional to 209,090,340.23, 288,605,494.90 and 139,475,555.03

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Solution

The fourth proportional to 209,090,340.23, 288,605,494.90 and 139,475,555.03 is: 192,516,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,090,340.23 : 288,605,494.90 = 139,475,555.03 : x
  2. Step 2: Convert to fraction form
    209,090,340.23/288,605,494.90 = 139,475,555.03/x
  3. Step 3: Cross multiply
    209,090,340.23x = 288,605,494.90 × 139,475,555.03
  4. Step 4: Simplify right side
    209,090,340.23x = 40,253,411,586,781,192
  5. Step 5: Solve for x
    x = 40,253,411,586,781,192/209,090,340.23
  6. Step 6: Final answer
    x = 192,516,840.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.