Home / 272,970,061.60-409,455,092.40-169,657,931.20

Finding the Fourth Proportional to 272,970,061.60, 409,455,092.40 and 169,657,931.20

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Solution

The fourth proportional to 272,970,061.60, 409,455,092.40 and 169,657,931.20 is: 254,486,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,970,061.60 : 409,455,092.40 = 169,657,931.20 : x
  2. Step 2: Convert to fraction form
    272,970,061.60/409,455,092.40 = 169,657,931.20/x
  3. Step 3: Cross multiply
    272,970,061.60x = 409,455,092.40 × 169,657,931.20
  4. Step 4: Simplify right side
    272,970,061.60x = 69,467,303,895,888,832
  5. Step 5: Solve for x
    x = 69,467,303,895,888,832/272,970,061.60
  6. Step 6: Final answer
    x = 254,486,896.80

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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.