Home / 142,169,638.90-213,254,458.35-117,935,929.30

Finding the Fourth Proportional to 142,169,638.90, 213,254,458.35 and 117,935,929.30

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Solution

The fourth proportional to 142,169,638.90, 213,254,458.35 and 117,935,929.30 is: 176,903,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169,638.90 : 213,254,458.35 = 117,935,929.30 : x
  2. Step 2: Convert to fraction form
    142,169,638.90/213,254,458.35 = 117,935,929.30/x
  3. Step 3: Cross multiply
    142,169,638.90x = 213,254,458.35 × 117,935,929.30
  4. Step 4: Simplify right side
    142,169,638.90x = 25,150,362,722,875,392
  5. Step 5: Solve for x
    x = 25,150,362,722,875,392/142,169,638.90
  6. Step 6: Final answer
    x = 176,903,893.95

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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.