Home / 163,360,986.30-245,041,479.45-126,372,692.70

Finding the Fourth Proportional to 163,360,986.30, 245,041,479.45 and 126,372,692.70

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Solution

The fourth proportional to 163,360,986.30, 245,041,479.45 and 126,372,692.70 is: 189,559,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,360,986.30 : 245,041,479.45 = 126,372,692.70 : x
  2. Step 2: Convert to fraction form
    163,360,986.30/245,041,479.45 = 126,372,692.70/x
  3. Step 3: Cross multiply
    163,360,986.30x = 245,041,479.45 × 126,372,692.70
  4. Step 4: Simplify right side
    163,360,986.30x = 30,966,551,581,288,216
  5. Step 5: Solve for x
    x = 30,966,551,581,288,216/163,360,986.30
  6. Step 6: Final answer
    x = 189,559,039.05

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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.