Home / 70,690,128.40-106,035,192.60-36,677,904.40

Finding the Fourth Proportional to 70,690,128.40, 106,035,192.60 and 36,677,904.40

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Solution

The fourth proportional to 70,690,128.40, 106,035,192.60 and 36,677,904.40 is: 55,016,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690,128.40 : 106,035,192.60 = 36,677,904.40 : x
  2. Step 2: Convert to fraction form
    70,690,128.40/106,035,192.60 = 36,677,904.40/x
  3. Step 3: Cross multiply
    70,690,128.40x = 106,035,192.60 × 36,677,904.40
  4. Step 4: Simplify right side
    70,690,128.40x = 3,889,148,657,218,387
  5. Step 5: Solve for x
    x = 3,889,148,657,218,387/70,690,128.40
  6. Step 6: Final answer
    x = 55,016,856.60

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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.