Home / 77,400,644.64-106,810,211.16-42,590,078.16

Finding the Fourth Proportional to 77,400,644.64, 106,810,211.16 and 42,590,078.16

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Solution

The fourth proportional to 77,400,644.64, 106,810,211.16 and 42,590,078.16 is: 58,772,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,400,644.64 : 106,810,211.16 = 42,590,078.16 : x
  2. Step 2: Convert to fraction form
    77,400,644.64/106,810,211.16 = 42,590,078.16/x
  3. Step 3: Cross multiply
    77,400,644.64x = 106,810,211.16 × 42,590,078.16
  4. Step 4: Simplify right side
    77,400,644.64x = 4,549,055,241,590,504
  5. Step 5: Solve for x
    x = 4,549,055,241,590,504/77,400,644.64
  6. Step 6: Final answer
    x = 58,772,834.03

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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.