Home / 210,069,998.40-315,429,400.80-114,518,510.40

Finding the Fourth Proportional to 210,069,998.40, 315,429,400.80 and 114,518,510.40

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Solution

The fourth proportional to 210,069,998.40, 315,429,400.80 and 114,518,510.40 is: 171,954,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,069,998.40 : 315,429,400.80 = 114,518,510.40 : x
  2. Step 2: Convert to fraction form
    210,069,998.40/315,429,400.80 = 114,518,510.40/x
  3. Step 3: Cross multiply
    210,069,998.40x = 315,429,400.80 × 114,518,510.40
  4. Step 4: Simplify right side
    210,069,998.40x = 36,122,505,115,980,568
  5. Step 5: Solve for x
    x = 36,122,505,115,980,568/210,069,998.40
  6. Step 6: Final answer
    x = 171,954,612.23

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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.