Home / 228,242,492.71-342,150,746.80-90,069,244.01

Finding the Fourth Proportional to 228,242,492.71, 342,150,746.80 and 90,069,244.01

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Solution

The fourth proportional to 228,242,492.71, 342,150,746.80 and 90,069,244.01 is: 135,019,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,242,492.71 : 342,150,746.80 = 90,069,244.01 : x
  2. Step 2: Convert to fraction form
    228,242,492.71/342,150,746.80 = 90,069,244.01/x
  3. Step 3: Cross multiply
    228,242,492.71x = 342,150,746.80 × 90,069,244.01
  4. Step 4: Simplify right side
    228,242,492.71x = 30,817,259,101,282,584
  5. Step 5: Solve for x
    x = 30,817,259,101,282,584/228,242,492.71
  6. Step 6: Final answer
    x = 135,019,814.83

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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.