Home / 100,943,849.50-139,349,013.16-59,122,110.94

Finding the Fourth Proportional to 100,943,849.50, 139,349,013.16 and 59,122,110.94

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Solution

The fourth proportional to 100,943,849.50, 139,349,013.16 and 59,122,110.94 is: 81,615,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,943,849.50 : 139,349,013.16 = 59,122,110.94 : x
  2. Step 2: Convert to fraction form
    100,943,849.50/139,349,013.16 = 59,122,110.94/x
  3. Step 3: Cross multiply
    100,943,849.50x = 139,349,013.16 × 59,122,110.94
  4. Step 4: Simplify right side
    100,943,849.50x = 8,238,607,815,425,039
  5. Step 5: Solve for x
    x = 8,238,607,815,425,039/100,943,849.50
  6. Step 6: Final answer
    x = 81,615,748.32

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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.