Home / 76,535,784.39-105,616,340.27-45,183,932.36

Finding the Fourth Proportional to 76,535,784.39, 105,616,340.27 and 45,183,932.36

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Solution

The fourth proportional to 76,535,784.39, 105,616,340.27 and 45,183,932.36 is: 62,352,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,535,784.39 : 105,616,340.27 = 45,183,932.36 : x
  2. Step 2: Convert to fraction form
    76,535,784.39/105,616,340.27 = 45,183,932.36/x
  3. Step 3: Cross multiply
    76,535,784.39x = 105,616,340.27 × 45,183,932.36
  4. Step 4: Simplify right side
    76,535,784.39x = 4,772,161,574,870,424
  5. Step 5: Solve for x
    x = 4,772,161,574,870,424/76,535,784.39
  6. Step 6: Final answer
    x = 62,352,030.66

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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.