Home / 68,330,273.52-94,210,242.03-57,030,681.45

Finding the Fourth Proportional to 68,330,273.52, 94,210,242.03 and 57,030,681.45

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Solution

The fourth proportional to 68,330,273.52, 94,210,242.03 and 57,030,681.45 is: 78,630,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330,273.52 : 94,210,242.03 = 57,030,681.45 : x
  2. Step 2: Convert to fraction form
    68,330,273.52/94,210,242.03 = 57,030,681.45/x
  3. Step 3: Cross multiply
    68,330,273.52x = 94,210,242.03 × 57,030,681.45
  4. Step 4: Simplify right side
    68,330,273.52x = 5,372,874,302,540,332
  5. Step 5: Solve for x
    x = 5,372,874,302,540,332/68,330,273.52
  6. Step 6: Final answer
    x = 78,630,949.74

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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.