Home / 136,500,945.70-204,426,407.61-87,163,978.63

Finding the Fourth Proportional to 136,500,945.70, 204,426,407.61 and 87,163,978.63

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Solution

The fourth proportional to 136,500,945.70, 204,426,407.61 and 87,163,978.63 is: 130,538,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,500,945.70 : 204,426,407.61 = 87,163,978.63 : x
  2. Step 2: Convert to fraction form
    136,500,945.70/204,426,407.61 = 87,163,978.63/x
  3. Step 3: Cross multiply
    136,500,945.70x = 204,426,407.61 × 87,163,978.63
  4. Step 4: Simplify right side
    136,500,945.70x = 17,818,619,024,325,710
  5. Step 5: Solve for x
    x = 17,818,619,024,325,710/136,500,945.70
  6. Step 6: Final answer
    x = 130,538,429.11

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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.