Home / 201,350,688.20-302,026,032.30-71,962,519.40

Finding the Fourth Proportional to 201,350,688.20, 302,026,032.30 and 71,962,519.40

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Solution

The fourth proportional to 201,350,688.20, 302,026,032.30 and 71,962,519.40 is: 107,943,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,350,688.20 : 302,026,032.30 = 71,962,519.40 : x
  2. Step 2: Convert to fraction form
    201,350,688.20/302,026,032.30 = 71,962,519.40/x
  3. Step 3: Cross multiply
    201,350,688.20x = 302,026,032.30 × 71,962,519.40
  4. Step 4: Simplify right side
    201,350,688.20x = 21,734,554,208,693,780
  5. Step 5: Solve for x
    x = 21,734,554,208,693,780/201,350,688.20
  6. Step 6: Final answer
    x = 107,943,779.10

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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.