Home / 282,421,003.60-423,631,505.40-100,602,571.60

Finding the Fourth Proportional to 282,421,003.60, 423,631,505.40 and 100,602,571.60

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Solution

The fourth proportional to 282,421,003.60, 423,631,505.40 and 100,602,571.60 is: 150,903,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,421,003.60 : 423,631,505.40 = 100,602,571.60 : x
  2. Step 2: Convert to fraction form
    282,421,003.60/423,631,505.40 = 100,602,571.60/x
  3. Step 3: Cross multiply
    282,421,003.60x = 423,631,505.40 × 100,602,571.60
  4. Step 4: Simplify right side
    282,421,003.60x = 42,618,418,854,019,280
  5. Step 5: Solve for x
    x = 42,618,418,854,019,280/282,421,003.60
  6. Step 6: Final answer
    x = 150,903,857.40

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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.