Home / 209,698,821.66-314,548,066.53-56,344,878.30

Finding the Fourth Proportional to 209,698,821.66, 314,548,066.53 and 56,344,878.30

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Solution

The fourth proportional to 209,698,821.66, 314,548,066.53 and 56,344,878.30 is: 84,517,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,698,821.66 : 314,548,066.53 = 56,344,878.30 : x
  2. Step 2: Convert to fraction form
    209,698,821.66/314,548,066.53 = 56,344,878.30/x
  3. Step 3: Cross multiply
    209,698,821.66x = 314,548,066.53 × 56,344,878.30
  4. Step 4: Simplify right side
    209,698,821.66x = 17,723,172,528,133,150
  5. Step 5: Solve for x
    x = 17,723,172,528,133,150/209,698,821.66
  6. Step 6: Final answer
    x = 84,517,272.86

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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.