Home / 262,838,036.10-394,284,097.35-99,213,612.42

Finding the Fourth Proportional to 262,838,036.10, 394,284,097.35 and 99,213,612.42

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Solution

The fourth proportional to 262,838,036.10, 394,284,097.35 and 99,213,612.42 is: 148,830,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,838,036.10 : 394,284,097.35 = 99,213,612.42 : x
  2. Step 2: Convert to fraction form
    262,838,036.10/394,284,097.35 = 99,213,612.42/x
  3. Step 3: Cross multiply
    262,838,036.10x = 394,284,097.35 × 99,213,612.42
  4. Step 4: Simplify right side
    262,838,036.10x = 39,118,349,617,852,456
  5. Step 5: Solve for x
    x = 39,118,349,617,852,456/262,838,036.10
  6. Step 6: Final answer
    x = 148,830,626.64

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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.