Home / 106,490,319.40-159,452,043.90-67,943,132.20

Finding the Fourth Proportional to 106,490,319.40, 159,452,043.90 and 67,943,132.20

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Solution

The fourth proportional to 106,490,319.40, 159,452,043.90 and 67,943,132.20 is: 101,733,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,490,319.40 : 159,452,043.90 = 67,943,132.20 : x
  2. Step 2: Convert to fraction form
    106,490,319.40/159,452,043.90 = 67,943,132.20/x
  3. Step 3: Cross multiply
    106,490,319.40x = 159,452,043.90 × 67,943,132.20
  4. Step 4: Simplify right side
    106,490,319.40x = 10,833,671,298,257,904
  5. Step 5: Solve for x
    x = 10,833,671,298,257,904/106,490,319.40
  6. Step 6: Final answer
    x = 101,733,860.50

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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.