Home / 201,200,368.54-301,676,957.24-78,235,353.14

Finding the Fourth Proportional to 201,200,368.54, 301,676,957.24 and 78,235,353.14

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Solution

The fourth proportional to 201,200,368.54, 301,676,957.24 and 78,235,353.14 is: 117,304,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,200,368.54 : 301,676,957.24 = 78,235,353.14 : x
  2. Step 2: Convert to fraction form
    201,200,368.54/301,676,957.24 = 78,235,353.14/x
  3. Step 3: Cross multiply
    201,200,368.54x = 301,676,957.24 × 78,235,353.14
  4. Step 4: Simplify right side
    201,200,368.54x = 23,601,803,283,872,080
  5. Step 5: Solve for x
    x = 23,601,803,283,872,080/201,200,368.54
  6. Step 6: Final answer
    x = 117,304,970.44

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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.