Home / 90,470,333.75-135,683,080.23-25,774,699.21

Finding the Fourth Proportional to 90,470,333.75, 135,683,080.23 and 25,774,699.21

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Solution

The fourth proportional to 90,470,333.75, 135,683,080.23 and 25,774,699.21 is: 38,655,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470,333.75 : 135,683,080.23 = 25,774,699.21 : x
  2. Step 2: Convert to fraction form
    90,470,333.75/135,683,080.23 = 25,774,699.21/x
  3. Step 3: Cross multiply
    90,470,333.75x = 135,683,080.23 × 25,774,699.21
  4. Step 4: Simplify right side
    90,470,333.75x = 3,497,190,581,262,786
  5. Step 5: Solve for x
    x = 3,497,190,581,262,786/90,470,333.75
  6. Step 6: Final answer
    x = 38,655,661.32

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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.