Home / 30,939,059,871.38-46,361,222,346.15-20,817,282,041.39

Finding the Fourth Proportional to 30,939,059,871.38, 46,361,222,346.15 and 20,817,282,041.39

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Solution

The fourth proportional to 30,939,059,871.38, 46,361,222,346.15 and 20,817,282,041.39 is: 31,194,051,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,059,871.38 : 46,361,222,346.15 = 20,817,282,041.39 : x
  2. Step 2: Convert to fraction form
    30,939,059,871.38/46,361,222,346.15 = 20,817,282,041.39/x
  3. Step 3: Cross multiply
    30,939,059,871.38x = 46,361,222,346.15 × 20,817,282,041.39
  4. Step 4: Simplify right side
    30,939,059,871.38x = 965,114,641,363,165,249,536
  5. Step 5: Solve for x
    x = 965,114,641,363,165,249,536/30,939,059,871.38
  6. Step 6: Final answer
    x = 31,194,051,964.59

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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.