Home / 67,091,862.70-100,602,364.65-28,710,012.70

Finding the Fourth Proportional to 67,091,862.70, 100,602,364.65 and 28,710,012.70

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Solution

The fourth proportional to 67,091,862.70, 100,602,364.65 and 28,710,012.70 is: 43,049,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091,862.70 : 100,602,364.65 = 28,710,012.70 : x
  2. Step 2: Convert to fraction form
    67,091,862.70/100,602,364.65 = 28,710,012.70/x
  3. Step 3: Cross multiply
    67,091,862.70x = 100,602,364.65 × 28,710,012.70
  4. Step 4: Simplify right side
    67,091,862.70x = 2,888,295,166,751,531
  5. Step 5: Solve for x
    x = 2,888,295,166,751,531/67,091,862.70
  6. Step 6: Final answer
    x = 43,049,858.07

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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.