Home / 70,815,405.35-97,722,967.57-40,644,868.25

Finding the Fourth Proportional to 70,815,405.35, 97,722,967.57 and 40,644,868.25

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Solution

The fourth proportional to 70,815,405.35, 97,722,967.57 and 40,644,868.25 is: 56,088,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815,405.35 : 97,722,967.57 = 40,644,868.25 : x
  2. Step 2: Convert to fraction form
    70,815,405.35/97,722,967.57 = 40,644,868.25/x
  3. Step 3: Cross multiply
    70,815,405.35x = 97,722,967.57 × 40,644,868.25
  4. Step 4: Simplify right side
    70,815,405.35x = 3,971,937,141,881,672.50
  5. Step 5: Solve for x
    x = 3,971,937,141,881,672.50/70,815,405.35
  6. Step 6: Final answer
    x = 56,088,602.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.