Home / 252,369,427.40-378,554,141.10-166,205,126.60

Finding the Fourth Proportional to 252,369,427.40, 378,554,141.10 and 166,205,126.60

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Solution

The fourth proportional to 252,369,427.40, 378,554,141.10 and 166,205,126.60 is: 249,307,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,369,427.40 : 378,554,141.10 = 166,205,126.60 : x
  2. Step 2: Convert to fraction form
    252,369,427.40/378,554,141.10 = 166,205,126.60/x
  3. Step 3: Cross multiply
    252,369,427.40x = 378,554,141.10 × 166,205,126.60
  4. Step 4: Simplify right side
    252,369,427.40x = 62,917,638,946,479,768
  5. Step 5: Solve for x
    x = 62,917,638,946,479,768/252,369,427.40
  6. Step 6: Final answer
    x = 249,307,689.90

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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.