Home / 188,638,419.84-282,957,612.48-52,323,809.28

Finding the Fourth Proportional to 188,638,419.84, 282,957,612.48 and 52,323,809.28

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Solution

The fourth proportional to 188,638,419.84, 282,957,612.48 and 52,323,809.28 is: 78,485,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,638,419.84 : 282,957,612.48 = 52,323,809.28 : x
  2. Step 2: Convert to fraction form
    188,638,419.84/282,957,612.48 = 52,323,809.28/x
  3. Step 3: Cross multiply
    188,638,419.84x = 282,957,612.48 × 52,323,809.28
  4. Step 4: Simplify right side
    188,638,419.84x = 14,805,420,149,727,670
  5. Step 5: Solve for x
    x = 14,805,420,149,727,670/188,638,419.84
  6. Step 6: Final answer
    x = 78,485,709.13

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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.