Home / 67,070,028.16-100,502,374.47-45,129,150.19

Finding the Fourth Proportional to 67,070,028.16, 100,502,374.47 and 45,129,150.19

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Solution

The fourth proportional to 67,070,028.16, 100,502,374.47 and 45,129,150.19 is: 67,624,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070,028.16 : 100,502,374.47 = 45,129,150.19 : x
  2. Step 2: Convert to fraction form
    67,070,028.16/100,502,374.47 = 45,129,150.19/x
  3. Step 3: Cross multiply
    67,070,028.16x = 100,502,374.47 × 45,129,150.19
  4. Step 4: Simplify right side
    67,070,028.16x = 4,535,586,751,908,251
  5. Step 5: Solve for x
    x = 4,535,586,751,908,251/67,070,028.16
  6. Step 6: Final answer
    x = 67,624,643.62

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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.