Home / 249,621,634.78-374,483,521.11-85,838,120.14

Finding the Fourth Proportional to 249,621,634.78, 374,483,521.11 and 85,838,120.14

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Solution

The fourth proportional to 249,621,634.78, 374,483,521.11 and 85,838,120.14 is: 128,774,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621,634.78 : 374,483,521.11 = 85,838,120.14 : x
  2. Step 2: Convert to fraction form
    249,621,634.78/374,483,521.11 = 85,838,120.14/x
  3. Step 3: Cross multiply
    249,621,634.78x = 374,483,521.11 × 85,838,120.14
  4. Step 4: Simplify right side
    249,621,634.78x = 32,144,961,475,490,408
  5. Step 5: Solve for x
    x = 32,144,961,475,490,408/249,621,634.78
  6. Step 6: Final answer
    x = 128,774,741.44

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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.