Home / 212,205,330,807.71-292,869,036,195.38-120,776,112,222.30

Finding the Fourth Proportional to 212,205,330,807.71, 292,869,036,195.38 and 120,776,112,222.30

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Solution

The fourth proportional to 212,205,330,807.71, 292,869,036,195.38 and 120,776,112,222.30 is: 166,685,650,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,205,330,807.71 : 292,869,036,195.38 = 120,776,112,222.30 : x
  2. Step 2: Convert to fraction form
    212,205,330,807.71/292,869,036,195.38 = 120,776,112,222.30/x
  3. Step 3: Cross multiply
    212,205,330,807.71x = 292,869,036,195.38 × 120,776,112,222.30
  4. Step 4: Simplify right side
    212,205,330,807.71x = 35,371,583,581,970,055,036,928
  5. Step 5: Solve for x
    x = 35,371,583,581,970,055,036,928/212,205,330,807.71
  6. Step 6: Final answer
    x = 166,685,650,390.29

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1.5x scale

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.