Home / 121,347,340.80-182,021,011.20-70,203,033.60

Finding the Fourth Proportional to 121,347,340.80, 182,021,011.20 and 70,203,033.60

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Solution

The fourth proportional to 121,347,340.80, 182,021,011.20 and 70,203,033.60 is: 105,304,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,347,340.80 : 182,021,011.20 = 70,203,033.60 : x
  2. Step 2: Convert to fraction form
    121,347,340.80/182,021,011.20 = 70,203,033.60/x
  3. Step 3: Cross multiply
    121,347,340.80x = 182,021,011.20 × 70,203,033.60
  4. Step 4: Simplify right side
    121,347,340.80x = 12,778,427,165,179,574
  5. Step 5: Solve for x
    x = 12,778,427,165,179,574/121,347,340.80
  6. Step 6: Final answer
    x = 105,304,550.40

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1.5x scale

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.