Home / 141,875,464.80-212,813,197.20-77,154,261.60

Finding the Fourth Proportional to 141,875,464.80, 212,813,197.20 and 77,154,261.60

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Solution

The fourth proportional to 141,875,464.80, 212,813,197.20 and 77,154,261.60 is: 115,731,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,875,464.80 : 212,813,197.20 = 77,154,261.60 : x
  2. Step 2: Convert to fraction form
    141,875,464.80/212,813,197.20 = 77,154,261.60/x
  3. Step 3: Cross multiply
    141,875,464.80x = 212,813,197.20 × 77,154,261.60
  4. Step 4: Simplify right side
    141,875,464.80x = 16,419,445,088,701,186
  5. Step 5: Solve for x
    x = 16,419,445,088,701,186/141,875,464.80
  6. Step 6: Final answer
    x = 115,731,392.40

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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.