Home / 117,835,127.18-162,632,263.60-68,306,482.64

Finding the Fourth Proportional to 117,835,127.18, 162,632,263.60 and 68,306,482.64

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Solution

The fourth proportional to 117,835,127.18, 162,632,263.60 and 68,306,482.64 is: 94,274,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835,127.18 : 162,632,263.60 = 68,306,482.64 : x
  2. Step 2: Convert to fraction form
    117,835,127.18/162,632,263.60 = 68,306,482.64/x
  3. Step 3: Cross multiply
    117,835,127.18x = 162,632,263.60 × 68,306,482.64
  4. Step 4: Simplify right side
    117,835,127.18x = 11,108,837,890,297,304
  5. Step 5: Solve for x
    x = 11,108,837,890,297,304/117,835,127.18
  6. Step 6: Final answer
    x = 94,274,416.77

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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.