Home / 98,370,066.47-147,606,165.34-40,120,478.75

Finding the Fourth Proportional to 98,370,066.47, 147,606,165.34 and 40,120,478.75

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Solution

The fourth proportional to 98,370,066.47, 147,606,165.34 and 40,120,478.75 is: 60,201,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,370,066.47 : 147,606,165.34 = 40,120,478.75 : x
  2. Step 2: Convert to fraction form
    98,370,066.47/147,606,165.34 = 40,120,478.75/x
  3. Step 3: Cross multiply
    98,370,066.47x = 147,606,165.34 × 40,120,478.75
  4. Step 4: Simplify right side
    98,370,066.47x = 5,922,030,020,161,171
  5. Step 5: Solve for x
    x = 5,922,030,020,161,171/98,370,066.47
  6. Step 6: Final answer
    x = 60,201,545.38

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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.