Home / 207,663,010.02-311,470,720.47-54,323,866.98

Finding the Fourth Proportional to 207,663,010.02, 311,470,720.47 and 54,323,866.98

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Solution

The fourth proportional to 207,663,010.02, 311,470,720.47 and 54,323,866.98 is: 81,479,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663,010.02 : 311,470,720.47 = 54,323,866.98 : x
  2. Step 2: Convert to fraction form
    207,663,010.02/311,470,720.47 = 54,323,866.98/x
  3. Step 3: Cross multiply
    207,663,010.02x = 311,470,720.47 × 54,323,866.98
  4. Step 4: Simplify right side
    207,663,010.02x = 16,920,293,986,977,044
  5. Step 5: Solve for x
    x = 16,920,293,986,977,044/207,663,010.02
  6. Step 6: Final answer
    x = 81,479,575.90

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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.