Home / 291,675,860.40-437,443,806.60-168,588,001.20

Finding the Fourth Proportional to 291,675,860.40, 437,443,806.60 and 168,588,001.20

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Solution

The fourth proportional to 291,675,860.40, 437,443,806.60 and 168,588,001.20 is: 252,841,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,675,860.40 : 437,443,806.60 = 168,588,001.20 : x
  2. Step 2: Convert to fraction form
    291,675,860.40/437,443,806.60 = 168,588,001.20/x
  3. Step 3: Cross multiply
    291,675,860.40x = 437,443,806.60 × 168,588,001.20
  4. Step 4: Simplify right side
    291,675,860.40x = 73,747,776,992,013,360
  5. Step 5: Solve for x
    x = 73,747,776,992,013,360/291,675,860.40
  6. Step 6: Final answer
    x = 252,841,551.20

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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.