Home / 140,014,364.09-193,219,857.47-77,290,498.49

Finding the Fourth Proportional to 140,014,364.09, 193,219,857.47 and 77,290,498.49

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Solution

The fourth proportional to 140,014,364.09, 193,219,857.47 and 77,290,498.49 is: 106,660,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014,364.09 : 193,219,857.47 = 77,290,498.49 : x
  2. Step 2: Convert to fraction form
    140,014,364.09/193,219,857.47 = 77,290,498.49/x
  3. Step 3: Cross multiply
    140,014,364.09x = 193,219,857.47 × 77,290,498.49
  4. Step 4: Simplify right side
    140,014,364.09x = 14,934,059,102,023,050
  5. Step 5: Solve for x
    x = 14,934,059,102,023,050/140,014,364.09
  6. Step 6: Final answer
    x = 106,660,907.25

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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.