Home / 260,963,478.51-391,597,859.43-97,314,292.59

Finding the Fourth Proportional to 260,963,478.51, 391,597,859.43 and 97,314,292.59

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Solution

The fourth proportional to 260,963,478.51, 391,597,859.43 and 97,314,292.59 is: 146,028,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,963,478.51 : 391,597,859.43 = 97,314,292.59 : x
  2. Step 2: Convert to fraction form
    260,963,478.51/391,597,859.43 = 97,314,292.59/x
  3. Step 3: Cross multiply
    260,963,478.51x = 391,597,859.43 × 97,314,292.59
  4. Step 4: Simplify right side
    260,963,478.51x = 38,108,068,670,188,712
  5. Step 5: Solve for x
    x = 38,108,068,670,188,712/260,963,478.51
  6. Step 6: Final answer
    x = 146,028,359.55

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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.