Home / 148,968,725.76-205,546,031.68-87,077,092.32

Finding the Fourth Proportional to 148,968,725.76, 205,546,031.68 and 87,077,092.32

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Solution

The fourth proportional to 148,968,725.76, 205,546,031.68 and 87,077,092.32 is: 120,148,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,968,725.76 : 205,546,031.68 = 87,077,092.32 : x
  2. Step 2: Convert to fraction form
    148,968,725.76/205,546,031.68 = 87,077,092.32/x
  3. Step 3: Cross multiply
    148,968,725.76x = 205,546,031.68 × 87,077,092.32
  4. Step 4: Simplify right side
    148,968,725.76x = 17,898,350,776,609,004
  5. Step 5: Solve for x
    x = 17,898,350,776,609,004/148,968,725.76
  6. Step 6: Final answer
    x = 120,148,378.03

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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.