Home / 30,553,180.16-42,164,471.04-16,803,207.68

Finding the Fourth Proportional to 30,553,180.16, 42,164,471.04 and 16,803,207.68

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Solution

The fourth proportional to 30,553,180.16, 42,164,471.04 and 16,803,207.68 is: 23,189,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,180.16 : 42,164,471.04 = 16,803,207.68 : x
  2. Step 2: Convert to fraction form
    30,553,180.16/42,164,471.04 = 16,803,207.68/x
  3. Step 3: Cross multiply
    30,553,180.16x = 42,164,471.04 × 16,803,207.68
  4. Step 4: Simplify right side
    30,553,180.16x = 708,498,363,602,465.50
  5. Step 5: Solve for x
    x = 708,498,363,602,465.50/30,553,180.16
  6. Step 6: Final answer
    x = 23,189,021.89

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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.