Home / 210,047,592.60-315,059,999.46-64,481,178.78

Finding the Fourth Proportional to 210,047,592.60, 315,059,999.46 and 64,481,178.78

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Solution

The fourth proportional to 210,047,592.60, 315,059,999.46 and 64,481,178.78 is: 96,718,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,047,592.60 : 315,059,999.46 = 64,481,178.78 : x
  2. Step 2: Convert to fraction form
    210,047,592.60/315,059,999.46 = 64,481,178.78/x
  3. Step 3: Cross multiply
    210,047,592.60x = 315,059,999.46 × 64,481,178.78
  4. Step 4: Simplify right side
    210,047,592.60x = 20,315,440,151,606,964
  5. Step 5: Solve for x
    x = 20,315,440,151,606,964/210,047,592.60
  6. Step 6: Final answer
    x = 96,718,271.80

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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.