Home / 209,954,010.30-314,931,015.45-191,142,311.10

Finding the Fourth Proportional to 209,954,010.30, 314,931,015.45 and 191,142,311.10

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Solution

The fourth proportional to 209,954,010.30, 314,931,015.45 and 191,142,311.10 is: 286,713,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,010.30 : 314,931,015.45 = 191,142,311.10 : x
  2. Step 2: Convert to fraction form
    209,954,010.30/314,931,015.45 = 191,142,311.10/x
  3. Step 3: Cross multiply
    209,954,010.30x = 314,931,015.45 × 191,142,311.10
  4. Step 4: Simplify right side
    209,954,010.30x = 60,196,642,130,182,800
  5. Step 5: Solve for x
    x = 60,196,642,130,182,800/209,954,010.30
  6. Step 6: Final answer
    x = 286,713,466.65

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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.