Home / 140,202,347.40-210,303,521.10-79,736,171.40

Finding the Fourth Proportional to 140,202,347.40, 210,303,521.10 and 79,736,171.40

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Solution

The fourth proportional to 140,202,347.40, 210,303,521.10 and 79,736,171.40 is: 119,604,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,202,347.40 : 210,303,521.10 = 79,736,171.40 : x
  2. Step 2: Convert to fraction form
    140,202,347.40/210,303,521.10 = 79,736,171.40/x
  3. Step 3: Cross multiply
    140,202,347.40x = 210,303,521.10 × 79,736,171.40
  4. Step 4: Simplify right side
    140,202,347.40x = 16,768,797,604,453,118
  5. Step 5: Solve for x
    x = 16,768,797,604,453,118/140,202,347.40
  6. Step 6: Final answer
    x = 119,604,257.10

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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.