Home / 77,392,608-106,798,596.04-42,110,558.32

Finding the Fourth Proportional to 77,392,608, 106,798,596.04 and 42,110,558.32

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Solution

The fourth proportional to 77,392,608, 106,798,596.04 and 42,110,558.32 is: 58,110,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,608 : 106,798,596.04 = 42,110,558.32 : x
  2. Step 2: Convert to fraction form
    77,392,608/106,798,596.04 = 42,110,558.32/x
  3. Step 3: Cross multiply
    77,392,608x = 106,798,596.04 × 42,110,558.32
  4. Step 4: Simplify right side
    77,392,608x = 4,497,348,507,036,541.50
  5. Step 5: Solve for x
    x = 4,497,348,507,036,541.50/77,392,608
  6. Step 6: Final answer
    x = 58,110,827.68

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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.