Home / 101,204,560.79-139,671,655.55-61,502,928.72

Finding the Fourth Proportional to 101,204,560.79, 139,671,655.55 and 61,502,928.72

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Solution

The fourth proportional to 101,204,560.79, 139,671,655.55 and 61,502,928.72 is: 84,879,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204,560.79 : 139,671,655.55 = 61,502,928.72 : x
  2. Step 2: Convert to fraction form
    101,204,560.79/139,671,655.55 = 61,502,928.72/x
  3. Step 3: Cross multiply
    101,204,560.79x = 139,671,655.55 × 61,502,928.72
  4. Step 4: Simplify right side
    101,204,560.79x = 8,590,215,875,188,527
  5. Step 5: Solve for x
    x = 8,590,215,875,188,527/101,204,560.79
  6. Step 6: Final answer
    x = 84,879,730.80

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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.