Home / 115,788,957.76-159,788,762.52-63,577,993.40

Finding the Fourth Proportional to 115,788,957.76, 159,788,762.52 and 63,577,993.40

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Solution

The fourth proportional to 115,788,957.76, 159,788,762.52 and 63,577,993.40 is: 87,737,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,788,957.76 : 159,788,762.52 = 63,577,993.40 : x
  2. Step 2: Convert to fraction form
    115,788,957.76/159,788,762.52 = 63,577,993.40/x
  3. Step 3: Cross multiply
    115,788,957.76x = 159,788,762.52 × 63,577,993.40
  4. Step 4: Simplify right side
    115,788,957.76x = 10,159,048,888,890,728
  5. Step 5: Solve for x
    x = 10,159,048,888,890,728/115,788,957.76
  6. Step 6: Final answer
    x = 87,737,631.34

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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.