Home / 54,316,632.80-74,958,924.28-31,116,243.68

Finding the Fourth Proportional to 54,316,632.80, 74,958,924.28 and 31,116,243.68

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Solution

The fourth proportional to 54,316,632.80, 74,958,924.28 and 31,116,243.68 is: 42,941,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316,632.80 : 74,958,924.28 = 31,116,243.68 : x
  2. Step 2: Convert to fraction form
    54,316,632.80/74,958,924.28 = 31,116,243.68/x
  3. Step 3: Cross multiply
    54,316,632.80x = 74,958,924.28 × 31,116,243.68
  4. Step 4: Simplify right side
    54,316,632.80x = 2,332,440,153,887,148.50
  5. Step 5: Solve for x
    x = 2,332,440,153,887,148.50/54,316,632.80
  6. Step 6: Final answer
    x = 42,941,545.41

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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.