Home / 280,871,799.60-421,307,699.40-144,822,903.60

Finding the Fourth Proportional to 280,871,799.60, 421,307,699.40 and 144,822,903.60

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Solution

The fourth proportional to 280,871,799.60, 421,307,699.40 and 144,822,903.60 is: 217,234,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,871,799.60 : 421,307,699.40 = 144,822,903.60 : x
  2. Step 2: Convert to fraction form
    280,871,799.60/421,307,699.40 = 144,822,903.60/x
  3. Step 3: Cross multiply
    280,871,799.60x = 421,307,699.40 × 144,822,903.60
  4. Step 4: Simplify right side
    280,871,799.60x = 61,015,004,336,143,968
  5. Step 5: Solve for x
    x = 61,015,004,336,143,968/280,871,799.60
  6. Step 6: Final answer
    x = 217,234,355.40

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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.