Home / 112,775,199.39-155,662,210.47-68,114,077.47

Finding the Fourth Proportional to 112,775,199.39, 155,662,210.47 and 68,114,077.47

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Solution

The fourth proportional to 112,775,199.39, 155,662,210.47 and 68,114,077.47 is: 94,017,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,775,199.39 : 155,662,210.47 = 68,114,077.47 : x
  2. Step 2: Convert to fraction form
    112,775,199.39/155,662,210.47 = 68,114,077.47/x
  3. Step 3: Cross multiply
    112,775,199.39x = 155,662,210.47 × 68,114,077.47
  4. Step 4: Simplify right side
    112,775,199.39x = 10,602,787,863,105,024
  5. Step 5: Solve for x
    x = 10,602,787,863,105,024/112,775,199.39
  6. Step 6: Final answer
    x = 94,017,017.22

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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.