Home / 345,629,439.30-518,444,683.86-141,157,514.52

Finding the Fourth Proportional to 345,629,439.30, 518,444,683.86 and 141,157,514.52

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Solution

The fourth proportional to 345,629,439.30, 518,444,683.86 and 141,157,514.52 is: 211,736,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,629,439.30 : 518,444,683.86 = 141,157,514.52 : x
  2. Step 2: Convert to fraction form
    345,629,439.30/518,444,683.86 = 141,157,514.52/x
  3. Step 3: Cross multiply
    345,629,439.30x = 518,444,683.86 × 141,157,514.52
  4. Step 4: Simplify right side
    345,629,439.30x = 73,182,362,989,784,768
  5. Step 5: Solve for x
    x = 73,182,362,989,784,768/345,629,439.30
  6. Step 6: Final answer
    x = 211,736,486.16

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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.