Home / 304,128,039.60-456,192,059.40-99,662,785.20

Finding the Fourth Proportional to 304,128,039.60, 456,192,059.40 and 99,662,785.20

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Solution

The fourth proportional to 304,128,039.60, 456,192,059.40 and 99,662,785.20 is: 149,494,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128,039.60 : 456,192,059.40 = 99,662,785.20 : x
  2. Step 2: Convert to fraction form
    304,128,039.60/456,192,059.40 = 99,662,785.20/x
  3. Step 3: Cross multiply
    304,128,039.60x = 456,192,059.40 × 99,662,785.20
  4. Step 4: Simplify right side
    304,128,039.60x = 45,465,371,225,927,840
  5. Step 5: Solve for x
    x = 45,465,371,225,927,840/304,128,039.60
  6. Step 6: Final answer
    x = 149,494,177.80

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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.