Home / 150,177,619.20-225,266,428.80-139,655,087.40

Finding the Fourth Proportional to 150,177,619.20, 225,266,428.80 and 139,655,087.40

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Solution

The fourth proportional to 150,177,619.20, 225,266,428.80 and 139,655,087.40 is: 209,482,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,177,619.20 : 225,266,428.80 = 139,655,087.40 : x
  2. Step 2: Convert to fraction form
    150,177,619.20/225,266,428.80 = 139,655,087.40/x
  3. Step 3: Cross multiply
    150,177,619.20x = 225,266,428.80 × 139,655,087.40
  4. Step 4: Simplify right side
    150,177,619.20x = 31,459,602,802,349,880
  5. Step 5: Solve for x
    x = 31,459,602,802,349,880/150,177,619.20
  6. Step 6: Final answer
    x = 209,482,631.10

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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.