Home / 265,223,323.80-397,834,985.70-136,083,160.80

Finding the Fourth Proportional to 265,223,323.80, 397,834,985.70 and 136,083,160.80

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Solution

The fourth proportional to 265,223,323.80, 397,834,985.70 and 136,083,160.80 is: 204,124,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,223,323.80 : 397,834,985.70 = 136,083,160.80 : x
  2. Step 2: Convert to fraction form
    265,223,323.80/397,834,985.70 = 136,083,160.80/x
  3. Step 3: Cross multiply
    265,223,323.80x = 397,834,985.70 × 136,083,160.80
  4. Step 4: Simplify right side
    265,223,323.80x = 54,138,642,330,878,800
  5. Step 5: Solve for x
    x = 54,138,642,330,878,800/265,223,323.80
  6. Step 6: Final answer
    x = 204,124,741.20

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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.