Home / 42,808,319.13-64,210,185.99-15,140,319.69

Finding the Fourth Proportional to 42,808,319.13, 64,210,185.99 and 15,140,319.69

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Solution

The fourth proportional to 42,808,319.13, 64,210,185.99 and 15,140,319.69 is: 22,709,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808,319.13 : 64,210,185.99 = 15,140,319.69 : x
  2. Step 2: Convert to fraction form
    42,808,319.13/64,210,185.99 = 15,140,319.69/x
  3. Step 3: Cross multiply
    42,808,319.13x = 64,210,185.99 × 15,140,319.69
  4. Step 4: Simplify right side
    42,808,319.13x = 972,162,743,242,959.12
  5. Step 5: Solve for x
    x = 972,162,743,242,959.12/42,808,319.13
  6. Step 6: Final answer
    x = 22,709,668.66

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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.