Home / 209,953,133.10-314,929,699.65-133,614,585.90

Finding the Fourth Proportional to 209,953,133.10, 314,929,699.65 and 133,614,585.90

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Solution

The fourth proportional to 209,953,133.10, 314,929,699.65 and 133,614,585.90 is: 200,421,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,133.10 : 314,929,699.65 = 133,614,585.90 : x
  2. Step 2: Convert to fraction form
    209,953,133.10/314,929,699.65 = 133,614,585.90/x
  3. Step 3: Cross multiply
    209,953,133.10x = 314,929,699.65 × 133,614,585.90
  4. Step 4: Simplify right side
    209,953,133.10x = 42,079,201,406,346,120
  5. Step 5: Solve for x
    x = 42,079,201,406,346,120/209,953,133.10
  6. Step 6: Final answer
    x = 200,421,878.85

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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.