Home / 136,826,802.10-205,275,187.60-39,782,509.29

Finding the Fourth Proportional to 136,826,802.10, 205,275,187.60 and 39,782,509.29

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Solution

The fourth proportional to 136,826,802.10, 205,275,187.60 and 39,782,509.29 is: 59,683,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,826,802.10 : 205,275,187.60 = 39,782,509.29 : x
  2. Step 2: Convert to fraction form
    136,826,802.10/205,275,187.60 = 39,782,509.29/x
  3. Step 3: Cross multiply
    136,826,802.10x = 205,275,187.60 × 39,782,509.29
  4. Step 4: Simplify right side
    136,826,802.10x = 8,166,362,057,716,223
  5. Step 5: Solve for x
    x = 8,166,362,057,716,223/136,826,802.10
  6. Step 6: Final answer
    x = 59,683,935.69

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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.