Home / 156,835,274.40-235,252,911.60-54,565,322.40

Finding the Fourth Proportional to 156,835,274.40, 235,252,911.60 and 54,565,322.40

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Solution

The fourth proportional to 156,835,274.40, 235,252,911.60 and 54,565,322.40 is: 81,847,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835,274.40 : 235,252,911.60 = 54,565,322.40 : x
  2. Step 2: Convert to fraction form
    156,835,274.40/235,252,911.60 = 54,565,322.40/x
  3. Step 3: Cross multiply
    156,835,274.40x = 235,252,911.60 × 54,565,322.40
  4. Step 4: Simplify right side
    156,835,274.40x = 12,836,650,966,992,700
  5. Step 5: Solve for x
    x = 12,836,650,966,992,700/156,835,274.40
  6. Step 6: Final answer
    x = 81,847,983.60

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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.