Home / 51,669,355.41-77,376,421.46-38,507,210.90

Finding the Fourth Proportional to 51,669,355.41, 77,376,421.46 and 38,507,210.90

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Solution

The fourth proportional to 51,669,355.41, 77,376,421.46 and 38,507,210.90 is: 57,665,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669,355.41 : 77,376,421.46 = 38,507,210.90 : x
  2. Step 2: Convert to fraction form
    51,669,355.41/77,376,421.46 = 38,507,210.90/x
  3. Step 3: Cross multiply
    51,669,355.41x = 77,376,421.46 × 38,507,210.90
  4. Step 4: Simplify right side
    51,669,355.41x = 2,979,550,179,847,053.50
  5. Step 5: Solve for x
    x = 2,979,550,179,847,053.50/51,669,355.41
  6. Step 6: Final answer
    x = 57,665,712.22

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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.