Home / 88,178,214.45-121,506,632.48-68,210,725.77

Finding the Fourth Proportional to 88,178,214.45, 121,506,632.48 and 68,210,725.77

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Solution

The fourth proportional to 88,178,214.45, 121,506,632.48 and 68,210,725.77 is: 93,992,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,178,214.45 : 121,506,632.48 = 68,210,725.77 : x
  2. Step 2: Convert to fraction form
    88,178,214.45/121,506,632.48 = 68,210,725.77/x
  3. Step 3: Cross multiply
    88,178,214.45x = 121,506,632.48 × 68,210,725.77
  4. Step 4: Simplify right side
    88,178,214.45x = 8,288,055,587,329,455
  5. Step 5: Solve for x
    x = 8,288,055,587,329,455/88,178,214.45
  6. Step 6: Final answer
    x = 93,992,100.42

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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.