Home / 78,362,705.80-117,600,045.90-32,957,086.60

Finding the Fourth Proportional to 78,362,705.80, 117,600,045.90 and 32,957,086.60

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Solution

The fourth proportional to 78,362,705.80, 117,600,045.90 and 32,957,086.60 is: 49,459,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,362,705.80 : 117,600,045.90 = 32,957,086.60 : x
  2. Step 2: Convert to fraction form
    78,362,705.80/117,600,045.90 = 32,957,086.60/x
  3. Step 3: Cross multiply
    78,362,705.80x = 117,600,045.90 × 32,957,086.60
  4. Step 4: Simplify right side
    78,362,705.80x = 3,875,754,896,890,275.50
  5. Step 5: Solve for x
    x = 3,875,754,896,890,275.50/78,362,705.80
  6. Step 6: Final answer
    x = 49,459,176.50

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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.