Home / 149,492,758.60-223,813,985.10-115,197,099.40

Finding the Fourth Proportional to 149,492,758.60, 223,813,985.10 and 115,197,099.40

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Solution

The fourth proportional to 149,492,758.60, 223,813,985.10 and 115,197,099.40 is: 172,468,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,492,758.60 : 223,813,985.10 = 115,197,099.40 : x
  2. Step 2: Convert to fraction form
    149,492,758.60/223,813,985.10 = 115,197,099.40/x
  3. Step 3: Cross multiply
    149,492,758.60x = 223,813,985.10 × 115,197,099.40
  4. Step 4: Simplify right side
    149,492,758.60x = 25,782,721,888,674,820
  5. Step 5: Solve for x
    x = 25,782,721,888,674,820/149,492,758.60
  6. Step 6: Final answer
    x = 172,468,032.10

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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.