Home / 187,949,813.60-281,924,720.40-136,931,477.60

Finding the Fourth Proportional to 187,949,813.60, 281,924,720.40 and 136,931,477.60

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Solution

The fourth proportional to 187,949,813.60, 281,924,720.40 and 136,931,477.60 is: 205,397,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,949,813.60 : 281,924,720.40 = 136,931,477.60 : x
  2. Step 2: Convert to fraction form
    187,949,813.60/281,924,720.40 = 136,931,477.60/x
  3. Step 3: Cross multiply
    187,949,813.60x = 281,924,720.40 × 136,931,477.60
  4. Step 4: Simplify right side
    187,949,813.60x = 38,604,368,536,338,856
  5. Step 5: Solve for x
    x = 38,604,368,536,338,856/187,949,813.60
  6. Step 6: Final answer
    x = 205,397,216.40

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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.