Home / 101,204,561.79-139,671,656.93-61,502,929.72

Finding the Fourth Proportional to 101,204,561.79, 139,671,656.93 and 61,502,929.72

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Solution

The fourth proportional to 101,204,561.79, 139,671,656.93 and 61,502,929.72 is: 84,879,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204,561.79 : 139,671,656.93 = 61,502,929.72 : x
  2. Step 2: Convert to fraction form
    101,204,561.79/139,671,656.93 = 61,502,929.72/x
  3. Step 3: Cross multiply
    101,204,561.79x = 139,671,656.93 × 61,502,929.72
  4. Step 4: Simplify right side
    101,204,561.79x = 8,590,216,100,041,741
  5. Step 5: Solve for x
    x = 8,590,216,100,041,741/101,204,561.79
  6. Step 6: Final answer
    x = 84,879,732.18

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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.