Home / 98,207,155-147,335,754.51-29,122,482.21

Finding the Fourth Proportional to 98,207,155, 147,335,754.51 and 29,122,482.21

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Solution

The fourth proportional to 98,207,155, 147,335,754.51 and 29,122,482.21 is: 43,691,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,207,155 : 147,335,754.51 = 29,122,482.21 : x
  2. Step 2: Convert to fraction form
    98,207,155/147,335,754.51 = 29,122,482.21/x
  3. Step 3: Cross multiply
    98,207,155x = 147,335,754.51 × 29,122,482.21
  4. Step 4: Simplify right side
    98,207,155x = 4,290,782,889,614,402
  5. Step 5: Solve for x
    x = 4,290,782,889,614,402/98,207,155
  6. Step 6: Final answer
    x = 43,691,143.38

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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.