Home / 305,620,907.24-458,431,503.06-98,359,288.76

Finding the Fourth Proportional to 305,620,907.24, 458,431,503.06 and 98,359,288.76

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Solution

The fourth proportional to 305,620,907.24, 458,431,503.06 and 98,359,288.76 is: 147,538,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,620,907.24 : 458,431,503.06 = 98,359,288.76 : x
  2. Step 2: Convert to fraction form
    305,620,907.24/458,431,503.06 = 98,359,288.76/x
  3. Step 3: Cross multiply
    305,620,907.24x = 458,431,503.06 × 98,359,288.76
  4. Step 4: Simplify right side
    305,620,907.24x = 45,090,996,586,159,368
  5. Step 5: Solve for x
    x = 45,090,996,586,159,368/305,620,907.24
  6. Step 6: Final answer
    x = 147,538,978.90

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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.