Home / 144,168,264.05-216,187,736.81-85,903,398.32

Finding the Fourth Proportional to 144,168,264.05, 216,187,736.81 and 85,903,398.32

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Solution

The fourth proportional to 144,168,264.05, 216,187,736.81 and 85,903,398.32 is: 128,816,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,168,264.05 : 216,187,736.81 = 85,903,398.32 : x
  2. Step 2: Convert to fraction form
    144,168,264.05/216,187,736.81 = 85,903,398.32/x
  3. Step 3: Cross multiply
    144,168,264.05x = 216,187,736.81 × 85,903,398.32
  4. Step 4: Simplify right side
    144,168,264.05x = 18,571,261,265,578,300
  5. Step 5: Solve for x
    x = 18,571,261,265,578,300/144,168,264.05
  6. Step 6: Final answer
    x = 128,816,569.92

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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.