Home / 291,044,246.40-436,566,369.60-86,545,749.60

Finding the Fourth Proportional to 291,044,246.40, 436,566,369.60 and 86,545,749.60

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Solution

The fourth proportional to 291,044,246.40, 436,566,369.60 and 86,545,749.60 is: 129,818,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,044,246.40 : 436,566,369.60 = 86,545,749.60 : x
  2. Step 2: Convert to fraction form
    291,044,246.40/436,566,369.60 = 86,545,749.60/x
  3. Step 3: Cross multiply
    291,044,246.40x = 436,566,369.60 × 86,545,749.60
  4. Step 4: Simplify right side
    291,044,246.40x = 37,782,963,707,182,648
  5. Step 5: Solve for x
    x = 37,782,963,707,182,648/291,044,246.40
  6. Step 6: Final answer
    x = 129,818,624.40

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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.