Home / 77,996,812.02-107,634,285.09-43,188,755.10

Finding the Fourth Proportional to 77,996,812.02, 107,634,285.09 and 43,188,755.10

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Solution

The fourth proportional to 77,996,812.02, 107,634,285.09 and 43,188,755.10 is: 59,599,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,812.02 : 107,634,285.09 = 43,188,755.10 : x
  2. Step 2: Convert to fraction form
    77,996,812.02/107,634,285.09 = 43,188,755.10/x
  3. Step 3: Cross multiply
    77,996,812.02x = 107,634,285.09 × 43,188,755.10
  4. Step 4: Simplify right side
    77,996,812.02x = 4,648,590,779,115,592
  5. Step 5: Solve for x
    x = 4,648,590,779,115,592/77,996,812.02
  6. Step 6: Final answer
    x = 59,599,753.61

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1.5x scale

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.