Home / 48,531,462.12-66,975,070.32-28,702,225.53

Finding the Fourth Proportional to 48,531,462.12, 66,975,070.32 and 28,702,225.53

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Solution

The fourth proportional to 48,531,462.12, 66,975,070.32 and 28,702,225.53 is: 39,610,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531,462.12 : 66,975,070.32 = 28,702,225.53 : x
  2. Step 2: Convert to fraction form
    48,531,462.12/66,975,070.32 = 28,702,225.53/x
  3. Step 3: Cross multiply
    48,531,462.12x = 66,975,070.32 × 28,702,225.53
  4. Step 4: Simplify right side
    48,531,462.12x = 1,922,333,573,212,249.25
  5. Step 5: Solve for x
    x = 1,922,333,573,212,249.25/48,531,462.12
  6. Step 6: Final answer
    x = 39,610,048.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.