Home / 42,697,189.66-64,049,721.70-13,943,475.94

Finding the Fourth Proportional to 42,697,189.66, 64,049,721.70 and 13,943,475.94

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Solution

The fourth proportional to 42,697,189.66, 64,049,721.70 and 13,943,475.94 is: 20,916,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697,189.66 : 64,049,721.70 = 13,943,475.94 : x
  2. Step 2: Convert to fraction form
    42,697,189.66/64,049,721.70 = 13,943,475.94/x
  3. Step 3: Cross multiply
    42,697,189.66x = 64,049,721.70 × 13,943,475.94
  4. Step 4: Simplify right side
    42,697,189.66x = 893,075,753,487,645.88
  5. Step 5: Solve for x
    x = 893,075,753,487,645.88/42,697,189.66
  6. Step 6: Final answer
    x = 20,916,499.67

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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.