Home / 74,636,167.20-112,004,017.20-42,288,007.20

Finding the Fourth Proportional to 74,636,167.20, 112,004,017.20 and 42,288,007.20

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Solution

The fourth proportional to 74,636,167.20, 112,004,017.20 and 42,288,007.20 is: 63,460,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636,167.20 : 112,004,017.20 = 42,288,007.20 : x
  2. Step 2: Convert to fraction form
    74,636,167.20/112,004,017.20 = 42,288,007.20/x
  3. Step 3: Cross multiply
    74,636,167.20x = 112,004,017.20 × 42,288,007.20
  4. Step 4: Simplify right side
    74,636,167.20x = 4,736,426,685,782,524
  5. Step 5: Solve for x
    x = 4,736,426,685,782,524/74,636,167.20
  6. Step 6: Final answer
    x = 63,460,207.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.