Home / 140,941,729.20-211,349,608.20-54,651,457.20

Finding the Fourth Proportional to 140,941,729.20, 211,349,608.20 and 54,651,457.20

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Solution

The fourth proportional to 140,941,729.20, 211,349,608.20 and 54,651,457.20 is: 81,952,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941,729.20 : 211,349,608.20 = 54,651,457.20 : x
  2. Step 2: Convert to fraction form
    140,941,729.20/211,349,608.20 = 54,651,457.20/x
  3. Step 3: Cross multiply
    140,941,729.20x = 211,349,608.20 × 54,651,457.20
  4. Step 4: Simplify right side
    140,941,729.20x = 11,550,564,066,779,070
  5. Step 5: Solve for x
    x = 11,550,564,066,779,070/140,941,729.20
  6. Step 6: Final answer
    x = 81,952,762.55

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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.