Home / 140,220,833.40-210,331,250.10-79,754,657.40

Finding the Fourth Proportional to 140,220,833.40, 210,331,250.10 and 79,754,657.40

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Solution

The fourth proportional to 140,220,833.40, 210,331,250.10 and 79,754,657.40 is: 119,631,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,220,833.40 : 210,331,250.10 = 79,754,657.40 : x
  2. Step 2: Convert to fraction form
    140,220,833.40/210,331,250.10 = 79,754,657.40/x
  3. Step 3: Cross multiply
    140,220,833.40x = 210,331,250.10 × 79,754,657.40
  4. Step 4: Simplify right side
    140,220,833.40x = 16,774,896,792,239,216
  5. Step 5: Solve for x
    x = 16,774,896,792,239,216/140,220,833.40
  6. Step 6: Final answer
    x = 119,631,986.10

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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.