Home / 98,479,415.90-135,964,271.52-61,364,222.30

Finding the Fourth Proportional to 98,479,415.90, 135,964,271.52 and 61,364,222.30

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Solution

The fourth proportional to 98,479,415.90, 135,964,271.52 and 61,364,222.30 is: 84,721,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,479,415.90 : 135,964,271.52 = 61,364,222.30 : x
  2. Step 2: Convert to fraction form
    98,479,415.90/135,964,271.52 = 61,364,222.30/x
  3. Step 3: Cross multiply
    98,479,415.90x = 135,964,271.52 × 61,364,222.30
  4. Step 4: Simplify right side
    98,479,415.90x = 8,343,341,782,750,751
  5. Step 5: Solve for x
    x = 8,343,341,782,750,751/98,479,415.90
  6. Step 6: Final answer
    x = 84,721,682.26

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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.