Home / 130,340,699.20-179,872,007.21-71,608,792.33

Finding the Fourth Proportional to 130,340,699.20, 179,872,007.21 and 71,608,792.33

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Solution

The fourth proportional to 130,340,699.20, 179,872,007.21 and 71,608,792.33 is: 98,821,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340,699.20 : 179,872,007.21 = 71,608,792.33 : x
  2. Step 2: Convert to fraction form
    130,340,699.20/179,872,007.21 = 71,608,792.33/x
  3. Step 3: Cross multiply
    130,340,699.20x = 179,872,007.21 × 71,608,792.33
  4. Step 4: Simplify right side
    130,340,699.20x = 12,880,417,210,281,152
  5. Step 5: Solve for x
    x = 12,880,417,210,281,152/130,340,699.20
  6. Step 6: Final answer
    x = 98,821,145.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.