Home / 158,681,579.72-237,913,706.66-80,807,742.12

Finding the Fourth Proportional to 158,681,579.72, 237,913,706.66 and 80,807,742.12

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Solution

The fourth proportional to 158,681,579.72, 237,913,706.66 and 80,807,742.12 is: 121,156,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,579.72 : 237,913,706.66 = 80,807,742.12 : x
  2. Step 2: Convert to fraction form
    158,681,579.72/237,913,706.66 = 80,807,742.12/x
  3. Step 3: Cross multiply
    158,681,579.72x = 237,913,706.66 × 80,807,742.12
  4. Step 4: Simplify right side
    158,681,579.72x = 19,225,269,454,796,628
  5. Step 5: Solve for x
    x = 19,225,269,454,796,628/158,681,579.72
  6. Step 6: Final answer
    x = 121,156,277.17

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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.