Home / 265,716,148.80-398,637,208.80-136,343,726.40

Finding the Fourth Proportional to 265,716,148.80, 398,637,208.80 and 136,343,726.40

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Solution

The fourth proportional to 265,716,148.80, 398,637,208.80 and 136,343,726.40 is: 204,547,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,148.80 : 398,637,208.80 = 136,343,726.40 : x
  2. Step 2: Convert to fraction form
    265,716,148.80/398,637,208.80 = 136,343,726.40/x
  3. Step 3: Cross multiply
    265,716,148.80x = 398,637,208.80 × 136,343,726.40
  4. Step 4: Simplify right side
    265,716,148.80x = 54,351,682,529,486,880
  5. Step 5: Solve for x
    x = 54,351,682,529,486,880/265,716,148.80
  6. Step 6: Final answer
    x = 204,547,908.64

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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.