Home / 136,339,530.57-188,148,762.69-77,602,195.08

Finding the Fourth Proportional to 136,339,530.57, 188,148,762.69 and 77,602,195.08

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Solution

The fourth proportional to 136,339,530.57, 188,148,762.69 and 77,602,195.08 is: 107,091,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,339,530.57 : 188,148,762.69 = 77,602,195.08 : x
  2. Step 2: Convert to fraction form
    136,339,530.57/188,148,762.69 = 77,602,195.08/x
  3. Step 3: Cross multiply
    136,339,530.57x = 188,148,762.69 × 77,602,195.08
  4. Step 4: Simplify right side
    136,339,530.57x = 14,600,756,986,330,006
  5. Step 5: Solve for x
    x = 14,600,756,986,330,006/136,339,530.57
  6. Step 6: Final answer
    x = 107,091,149.03

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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.