Home / 54,133,023.16-74,707,531.20-30,927,651.91

Finding the Fourth Proportional to 54,133,023.16, 74,707,531.20 and 30,927,651.91

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Solution

The fourth proportional to 54,133,023.16, 74,707,531.20 and 30,927,651.91 is: 42,682,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133,023.16 : 74,707,531.20 = 30,927,651.91 : x
  2. Step 2: Convert to fraction form
    54,133,023.16/74,707,531.20 = 30,927,651.91/x
  3. Step 3: Cross multiply
    54,133,023.16x = 74,707,531.20 × 30,927,651.91
  4. Step 4: Simplify right side
    54,133,023.16x = 2,310,528,520,009,064.50
  5. Step 5: Solve for x
    x = 2,310,528,520,009,064.50/54,133,023.16
  6. Step 6: Final answer
    x = 42,682,421.66

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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.