Home / 54,125,882.14-74,621,459.54-42,999,293.74

Finding the Fourth Proportional to 54,125,882.14, 74,621,459.54 and 42,999,293.74

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Solution

The fourth proportional to 54,125,882.14, 74,621,459.54 and 42,999,293.74 is: 59,281,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125,882.14 : 74,621,459.54 = 42,999,293.74 : x
  2. Step 2: Convert to fraction form
    54,125,882.14/74,621,459.54 = 42,999,293.74/x
  3. Step 3: Cross multiply
    54,125,882.14x = 74,621,459.54 × 42,999,293.74
  4. Step 4: Simplify right side
    54,125,882.14x = 3,208,670,058,067,985.50
  5. Step 5: Solve for x
    x = 3,208,670,058,067,985.50/54,125,882.14
  6. Step 6: Final answer
    x = 59,281,621.49

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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.