Home / 268,154,881.60-402,232,322.40-239,244,491.20

Finding the Fourth Proportional to 268,154,881.60, 402,232,322.40 and 239,244,491.20

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Solution

The fourth proportional to 268,154,881.60, 402,232,322.40 and 239,244,491.20 is: 358,866,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,154,881.60 : 402,232,322.40 = 239,244,491.20 : x
  2. Step 2: Convert to fraction form
    268,154,881.60/402,232,322.40 = 239,244,491.20/x
  3. Step 3: Cross multiply
    268,154,881.60x = 402,232,322.40 × 239,244,491.20
  4. Step 4: Simplify right side
    268,154,881.60x = 96,231,867,316,782,352
  5. Step 5: Solve for x
    x = 96,231,867,316,782,352/268,154,881.60
  6. Step 6: Final answer
    x = 358,866,736.80

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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.