Home / 178,071,294.51-245,738,200.05-99,755,399.28

Finding the Fourth Proportional to 178,071,294.51, 245,738,200.05 and 99,755,399.28

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Solution

The fourth proportional to 178,071,294.51, 245,738,200.05 and 99,755,399.28 is: 137,662,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071,294.51 : 245,738,200.05 = 99,755,399.28 : x
  2. Step 2: Convert to fraction form
    178,071,294.51/245,738,200.05 = 99,755,399.28/x
  3. Step 3: Cross multiply
    178,071,294.51x = 245,738,200.05 × 99,755,399.28
  4. Step 4: Simplify right side
    178,071,294.51x = 24,513,712,265,257,784
  5. Step 5: Solve for x
    x = 24,513,712,265,257,784/178,071,294.51
  6. Step 6: Final answer
    x = 137,662,346.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.