Home / 212,096,098.81-292,688,028.75-122,791,809.01

Finding the Fourth Proportional to 212,096,098.81, 292,688,028.75 and 122,791,809.01

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Solution

The fourth proportional to 212,096,098.81, 292,688,028.75 and 122,791,809.01 is: 169,450,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096,098.81 : 292,688,028.75 = 122,791,809.01 : x
  2. Step 2: Convert to fraction form
    212,096,098.81/292,688,028.75 = 122,791,809.01/x
  3. Step 3: Cross multiply
    212,096,098.81x = 292,688,028.75 × 122,791,809.01
  4. Step 4: Simplify right side
    212,096,098.81x = 35,939,692,526,062,396
  5. Step 5: Solve for x
    x = 35,939,692,526,062,396/212,096,098.81
  6. Step 6: Final answer
    x = 169,450,040.47

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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.