Home / 97,788,017.80-146,838,698.70-77,759,806.60

Finding the Fourth Proportional to 97,788,017.80, 146,838,698.70 and 77,759,806.60

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Solution

The fourth proportional to 97,788,017.80, 146,838,698.70 and 77,759,806.60 is: 116,764,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788,017.80 : 146,838,698.70 = 77,759,806.60 : x
  2. Step 2: Convert to fraction form
    97,788,017.80/146,838,698.70 = 77,759,806.60/x
  3. Step 3: Cross multiply
    97,788,017.80x = 146,838,698.70 × 77,759,806.60
  4. Step 4: Simplify right side
    97,788,017.80x = 11,418,148,812,307,670
  5. Step 5: Solve for x
    x = 11,418,148,812,307,670/97,788,017.80
  6. Step 6: Final answer
    x = 116,764,293.51

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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.