Home / 265,716,091.80-398,637,123.30-136,343,669.40

Finding the Fourth Proportional to 265,716,091.80, 398,637,123.30 and 136,343,669.40

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Solution

The fourth proportional to 265,716,091.80, 398,637,123.30 and 136,343,669.40 is: 204,547,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,091.80 : 398,637,123.30 = 136,343,669.40 : x
  2. Step 2: Convert to fraction form
    265,716,091.80/398,637,123.30 = 136,343,669.40/x
  3. Step 3: Cross multiply
    265,716,091.80x = 398,637,123.30 × 136,343,669.40
  4. Step 4: Simplify right side
    265,716,091.80x = 54,351,648,149,782,240
  5. Step 5: Solve for x
    x = 54,351,648,149,782,240/265,716,091.80
  6. Step 6: Final answer
    x = 204,547,823.14

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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.