Home / 212,057,269.20-318,085,903.80-157,637,710.80

Finding the Fourth Proportional to 212,057,269.20, 318,085,903.80 and 157,637,710.80

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Solution

The fourth proportional to 212,057,269.20, 318,085,903.80 and 157,637,710.80 is: 236,456,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,057,269.20 : 318,085,903.80 = 157,637,710.80 : x
  2. Step 2: Convert to fraction form
    212,057,269.20/318,085,903.80 = 157,637,710.80/x
  3. Step 3: Cross multiply
    212,057,269.20x = 318,085,903.80 × 157,637,710.80
  4. Step 4: Simplify right side
    212,057,269.20x = 50,142,333,712,781,024
  5. Step 5: Solve for x
    x = 50,142,333,712,781,024/212,057,269.20
  6. Step 6: Final answer
    x = 236,456,566.20

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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.