Home / 260,681,397.40-359,744,013.03-143,217,583.66

Finding the Fourth Proportional to 260,681,397.40, 359,744,013.03 and 143,217,583.66

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Solution

The fourth proportional to 260,681,397.40, 359,744,013.03 and 143,217,583.66 is: 197,642,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681,397.40 : 359,744,013.03 = 143,217,583.66 : x
  2. Step 2: Convert to fraction form
    260,681,397.40/359,744,013.03 = 143,217,583.66/x
  3. Step 3: Cross multiply
    260,681,397.40x = 359,744,013.03 × 143,217,583.66
  4. Step 4: Simplify right side
    260,681,397.40x = 51,521,668,282,308,152
  5. Step 5: Solve for x
    x = 51,521,668,282,308,152/260,681,397.40
  6. Step 6: Final answer
    x = 197,642,289.77

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Why These Related Problems?

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