Home / 307,908,220.32-462,014,079.12-144,157,065.12

Finding the Fourth Proportional to 307,908,220.32, 462,014,079.12 and 144,157,065.12

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Solution

The fourth proportional to 307,908,220.32, 462,014,079.12 and 144,157,065.12 is: 216,306,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,908,220.32 : 462,014,079.12 = 144,157,065.12 : x
  2. Step 2: Convert to fraction form
    307,908,220.32/462,014,079.12 = 144,157,065.12/x
  3. Step 3: Cross multiply
    307,908,220.32x = 462,014,079.12 × 144,157,065.12
  4. Step 4: Simplify right side
    307,908,220.32x = 66,602,593,690,058,672
  5. Step 5: Solve for x
    x = 66,602,593,690,058,672/307,908,220.32
  6. Step 6: Final answer
    x = 216,306,643.65

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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.