Home / 57,209,532.26-78,948,566.26-42,590,574.50

Finding the Fourth Proportional to 57,209,532.26, 78,948,566.26 and 42,590,574.50

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Solution

The fourth proportional to 57,209,532.26, 78,948,566.26 and 42,590,574.50 is: 58,774,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209,532.26 : 78,948,566.26 = 42,590,574.50 : x
  2. Step 2: Convert to fraction form
    57,209,532.26/78,948,566.26 = 42,590,574.50/x
  3. Step 3: Cross multiply
    57,209,532.26x = 78,948,566.26 × 42,590,574.50
  4. Step 4: Simplify right side
    57,209,532.26x = 3,362,464,792,463,496.50
  5. Step 5: Solve for x
    x = 3,362,464,792,463,496.50/57,209,532.26
  6. Step 6: Final answer
    x = 58,774,554.87

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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.