Home / 65,936,332.48-90,997,586.07-36,577,130.80

Finding the Fourth Proportional to 65,936,332.48, 90,997,586.07 and 36,577,130.80

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Solution

The fourth proportional to 65,936,332.48, 90,997,586.07 and 36,577,130.80 is: 50,479,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936,332.48 : 90,997,586.07 = 36,577,130.80 : x
  2. Step 2: Convert to fraction form
    65,936,332.48/90,997,586.07 = 36,577,130.80/x
  3. Step 3: Cross multiply
    65,936,332.48x = 90,997,586.07 × 36,577,130.80
  4. Step 4: Simplify right side
    65,936,332.48x = 3,328,430,607,939,153.50
  5. Step 5: Solve for x
    x = 3,328,430,607,939,153.50/65,936,332.48
  6. Step 6: Final answer
    x = 50,479,462.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.