Home / 136,616,385.23-188,532,099.65-74,735,395.19

Finding the Fourth Proportional to 136,616,385.23, 188,532,099.65 and 74,735,395.19

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Solution

The fourth proportional to 136,616,385.23, 188,532,099.65 and 74,735,395.19 is: 103,135,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,616,385.23 : 188,532,099.65 = 74,735,395.19 : x
  2. Step 2: Convert to fraction form
    136,616,385.23/188,532,099.65 = 74,735,395.19/x
  3. Step 3: Cross multiply
    136,616,385.23x = 188,532,099.65 × 74,735,395.19
  4. Step 4: Simplify right side
    136,616,385.23x = 14,090,020,973,343,210
  5. Step 5: Solve for x
    x = 14,090,020,973,343,210/136,616,385.23
  6. Step 6: Final answer
    x = 103,135,659.38

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1.5x scale

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.