Home / 42,203,031.39-63,303,366.06-13,450,892.31

Finding the Fourth Proportional to 42,203,031.39, 63,303,366.06 and 13,450,892.31

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Solution

The fourth proportional to 42,203,031.39, 63,303,366.06 and 13,450,892.31 is: 20,175,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,031.39 : 63,303,366.06 = 13,450,892.31 : x
  2. Step 2: Convert to fraction form
    42,203,031.39/63,303,366.06 = 13,450,892.31/x
  3. Step 3: Cross multiply
    42,203,031.39x = 63,303,366.06 × 13,450,892.31
  4. Step 4: Simplify right side
    42,203,031.39x = 851,486,759,733,569.12
  5. Step 5: Solve for x
    x = 851,486,759,733,569.12/42,203,031.39
  6. Step 6: Final answer
    x = 20,175,962.05

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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.