Home / 70,116,164.60-105,652,840.82-57,616,672.28

Finding the Fourth Proportional to 70,116,164.60, 105,652,840.82 and 57,616,672.28

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Solution

The fourth proportional to 70,116,164.60, 105,652,840.82 and 57,616,672.28 is: 86,818,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,164.60 : 105,652,840.82 = 57,616,672.28 : x
  2. Step 2: Convert to fraction form
    70,116,164.60/105,652,840.82 = 57,616,672.28/x
  3. Step 3: Cross multiply
    70,116,164.60x = 105,652,840.82 × 57,616,672.28
  4. Step 4: Simplify right side
    70,116,164.60x = 6,087,365,104,976,946
  5. Step 5: Solve for x
    x = 6,087,365,104,976,946/70,116,164.60
  6. Step 6: Final answer
    x = 86,818,284.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.