Home / 88,316,389.80-121,876,623.54-49,157,323.56

Finding the Fourth Proportional to 88,316,389.80, 121,876,623.54 and 49,157,323.56

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Solution

The fourth proportional to 88,316,389.80, 121,876,623.54 and 49,157,323.56 is: 67,837,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316,389.80 : 121,876,623.54 = 49,157,323.56 : x
  2. Step 2: Convert to fraction form
    88,316,389.80/121,876,623.54 = 49,157,323.56/x
  3. Step 3: Cross multiply
    88,316,389.80x = 121,876,623.54 × 49,157,323.56
  4. Step 4: Simplify right side
    88,316,389.80x = 5,991,128,617,756,093
  5. Step 5: Solve for x
    x = 5,991,128,617,756,093/88,316,389.80
  6. Step 6: Final answer
    x = 67,837,109.64

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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.