Home / 98,415,145.80-147,622,718.70-96,980,255.10

Finding the Fourth Proportional to 98,415,145.80, 147,622,718.70 and 96,980,255.10

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Solution

The fourth proportional to 98,415,145.80, 147,622,718.70 and 96,980,255.10 is: 145,470,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,145.80 : 147,622,718.70 = 96,980,255.10 : x
  2. Step 2: Convert to fraction form
    98,415,145.80/147,622,718.70 = 96,980,255.10/x
  3. Step 3: Cross multiply
    98,415,145.80x = 147,622,718.70 × 96,980,255.10
  4. Step 4: Simplify right side
    98,415,145.80x = 14,316,488,918,081,538
  5. Step 5: Solve for x
    x = 14,316,488,918,081,538/98,415,145.80
  6. Step 6: Final answer
    x = 145,470,382.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.