Home / 54,019,031.60-74,553,359.88-30,808,838

Finding the Fourth Proportional to 54,019,031.60, 74,553,359.88 and 30,808,838

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Solution

The fourth proportional to 54,019,031.60, 74,553,359.88 and 30,808,838 is: 42,520,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019,031.60 : 74,553,359.88 = 30,808,838 : x
  2. Step 2: Convert to fraction form
    54,019,031.60/74,553,359.88 = 30,808,838/x
  3. Step 3: Cross multiply
    54,019,031.60x = 74,553,359.88 × 30,808,838
  4. Step 4: Simplify right side
    54,019,031.60x = 2,296,902,386,898,619.50
  5. Step 5: Solve for x
    x = 2,296,902,386,898,619.50/54,019,031.60
  6. Step 6: Final answer
    x = 42,520,243.68

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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.