Home / 132,990,730.20-199,486,095.30-109,075,885.20

Finding the Fourth Proportional to 132,990,730.20, 199,486,095.30 and 109,075,885.20

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Solution

The fourth proportional to 132,990,730.20, 199,486,095.30 and 109,075,885.20 is: 163,613,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990,730.20 : 199,486,095.30 = 109,075,885.20 : x
  2. Step 2: Convert to fraction form
    132,990,730.20/199,486,095.30 = 109,075,885.20/x
  3. Step 3: Cross multiply
    132,990,730.20x = 199,486,095.30 × 109,075,885.20
  4. Step 4: Simplify right side
    132,990,730.20x = 21,759,122,429,939,060
  5. Step 5: Solve for x
    x = 21,759,122,429,939,060/132,990,730.20
  6. Step 6: Final answer
    x = 163,613,827.80

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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.