Home / 145,522,094.87-200,892,508.63-89,798,208.26

Finding the Fourth Proportional to 145,522,094.87, 200,892,508.63 and 89,798,208.26

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Solution

The fourth proportional to 145,522,094.87, 200,892,508.63 and 89,798,208.26 is: 123,965,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,094.87 : 200,892,508.63 = 89,798,208.26 : x
  2. Step 2: Convert to fraction form
    145,522,094.87/200,892,508.63 = 89,798,208.26/x
  3. Step 3: Cross multiply
    145,522,094.87x = 200,892,508.63 × 89,798,208.26
  4. Step 4: Simplify right side
    145,522,094.87x = 18,039,787,326,601,628
  5. Step 5: Solve for x
    x = 18,039,787,326,601,628/145,522,094.87
  6. Step 6: Final answer
    x = 123,965,967.80

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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.