Home / 249,621,635.78-374,483,522.62-85,838,121.14

Finding the Fourth Proportional to 249,621,635.78, 374,483,522.62 and 85,838,121.14

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Solution

The fourth proportional to 249,621,635.78, 374,483,522.62 and 85,838,121.14 is: 128,774,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621,635.78 : 374,483,522.62 = 85,838,121.14 : x
  2. Step 2: Convert to fraction form
    249,621,635.78/374,483,522.62 = 85,838,121.14/x
  3. Step 3: Cross multiply
    249,621,635.78x = 374,483,522.62 × 85,838,121.14
  4. Step 4: Simplify right side
    249,621,635.78x = 32,144,961,979,589,492
  5. Step 5: Solve for x
    x = 32,144,961,979,589,492/249,621,635.78
  6. Step 6: Final answer
    x = 128,774,742.94

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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.