Home / 243,373,887.79-365,425,532.61-210,685,283.88

Finding the Fourth Proportional to 243,373,887.79, 365,425,532.61 and 210,685,283.88

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Solution

The fourth proportional to 243,373,887.79, 365,425,532.61 and 210,685,283.88 is: 316,343,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,373,887.79 : 365,425,532.61 = 210,685,283.88 : x
  2. Step 2: Convert to fraction form
    243,373,887.79/365,425,532.61 = 210,685,283.88/x
  3. Step 3: Cross multiply
    243,373,887.79x = 365,425,532.61 × 210,685,283.88
  4. Step 4: Simplify right side
    243,373,887.79x = 76,989,782,074,938,048
  5. Step 5: Solve for x
    x = 76,989,782,074,938,048/243,373,887.79
  6. Step 6: Final answer
    x = 316,343,642.18

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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.