Home / 217,851,140.13-326,776,510.54-68,286,678.79

Finding the Fourth Proportional to 217,851,140.13, 326,776,510.54 and 68,286,678.79

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Solution

The fourth proportional to 217,851,140.13, 326,776,510.54 and 68,286,678.79 is: 102,429,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,851,140.13 : 326,776,510.54 = 68,286,678.79 : x
  2. Step 2: Convert to fraction form
    217,851,140.13/326,776,510.54 = 68,286,678.79/x
  3. Step 3: Cross multiply
    217,851,140.13x = 326,776,510.54 × 68,286,678.79
  4. Step 4: Simplify right side
    217,851,140.13x = 22,314,482,611,362,032
  5. Step 5: Solve for x
    x = 22,314,482,611,362,032/217,851,140.13
  6. Step 6: Final answer
    x = 102,429,955.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.