Home / 70,672,946.40-106,011,781.56-19,550,684.16

Finding the Fourth Proportional to 70,672,946.40, 106,011,781.56 and 19,550,684.16

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Solution

The fourth proportional to 70,672,946.40, 106,011,781.56 and 19,550,684.16 is: 29,326,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672,946.40 : 106,011,781.56 = 19,550,684.16 : x
  2. Step 2: Convert to fraction form
    70,672,946.40/106,011,781.56 = 19,550,684.16/x
  3. Step 3: Cross multiply
    70,672,946.40x = 106,011,781.56 × 19,550,684.16
  4. Step 4: Simplify right side
    70,672,946.40x = 2,072,602,858,518,472.25
  5. Step 5: Solve for x
    x = 2,072,602,858,518,472.25/70,672,946.40
  6. Step 6: Final answer
    x = 29,326,679.64

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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.