Home / 212,141,599.79-292,753,292.54-118,054,135.15

Finding the Fourth Proportional to 212,141,599.79, 292,753,292.54 and 118,054,135.15

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Solution

The fourth proportional to 212,141,599.79, 292,753,292.54 and 118,054,135.15 is: 162,913,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,141,599.79 : 292,753,292.54 = 118,054,135.15 : x
  2. Step 2: Convert to fraction form
    212,141,599.79/292,753,292.54 = 118,054,135.15/x
  3. Step 3: Cross multiply
    212,141,599.79x = 292,753,292.54 × 118,054,135.15
  4. Step 4: Simplify right side
    212,141,599.79x = 34,560,736,761,802,496
  5. Step 5: Solve for x
    x = 34,560,736,761,802,496/212,141,599.79
  6. Step 6: Final answer
    x = 162,913,529.44

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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.