Home / 209,952,210.30-314,928,315.45-190,820,334.30

Finding the Fourth Proportional to 209,952,210.30, 314,928,315.45 and 190,820,334.30

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Solution

The fourth proportional to 209,952,210.30, 314,928,315.45 and 190,820,334.30 is: 286,230,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,210.30 : 314,928,315.45 = 190,820,334.30 : x
  2. Step 2: Convert to fraction form
    209,952,210.30/314,928,315.45 = 190,820,334.30/x
  3. Step 3: Cross multiply
    209,952,210.30x = 314,928,315.45 × 190,820,334.30
  4. Step 4: Simplify right side
    209,952,210.30x = 60,094,726,434,704,856
  5. Step 5: Solve for x
    x = 60,094,726,434,704,856/209,952,210.30
  6. Step 6: Final answer
    x = 286,230,501.45

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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.