Home / 201,964,148.80-302,834,248.80-86,929,115.20

Finding the Fourth Proportional to 201,964,148.80, 302,834,248.80 and 86,929,115.20

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Solution

The fourth proportional to 201,964,148.80, 302,834,248.80 and 86,929,115.20 is: 130,345,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,964,148.80 : 302,834,248.80 = 86,929,115.20 : x
  2. Step 2: Convert to fraction form
    201,964,148.80/302,834,248.80 = 86,929,115.20/x
  3. Step 3: Cross multiply
    201,964,148.80x = 302,834,248.80 × 86,929,115.20
  4. Step 4: Simplify right side
    201,964,148.80x = 26,325,113,300,440,664
  5. Step 5: Solve for x
    x = 26,325,113,300,440,664/201,964,148.80
  6. Step 6: Final answer
    x = 130,345,476.94

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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.