Home / 117,842,541-162,635,422.80-64,924,656.12

Finding the Fourth Proportional to 117,842,541, 162,635,422.80 and 64,924,656.12

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Solution

The fourth proportional to 117,842,541, 162,635,422.80 and 64,924,656.12 is: 89,603,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,842,541 : 162,635,422.80 = 64,924,656.12 : x
  2. Step 2: Convert to fraction form
    117,842,541/162,635,422.80 = 64,924,656.12/x
  3. Step 3: Cross multiply
    117,842,541x = 162,635,422.80 × 64,924,656.12
  4. Step 4: Simplify right side
    117,842,541x = 10,559,048,898,220,808
  5. Step 5: Solve for x
    x = 10,559,048,898,220,808/117,842,541
  6. Step 6: Final answer
    x = 89,603,031.37

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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.