Home / 113,390,219-156,526,870.56-76,242,031.40

Finding the Fourth Proportional to 113,390,219, 156,526,870.56 and 76,242,031.40

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Solution

The fourth proportional to 113,390,219, 156,526,870.56 and 76,242,031.40 is: 105,246,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,390,219 : 156,526,870.56 = 76,242,031.40 : x
  2. Step 2: Convert to fraction form
    113,390,219/156,526,870.56 = 76,242,031.40/x
  3. Step 3: Cross multiply
    113,390,219x = 156,526,870.56 × 76,242,031.40
  4. Step 4: Simplify right side
    113,390,219x = 11,933,926,580,179,256
  5. Step 5: Solve for x
    x = 11,933,926,580,179,256/113,390,219
  6. Step 6: Final answer
    x = 105,246,525.54

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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.