Home / 77,352,708.43-106,748,757.08-42,546,312.10

Finding the Fourth Proportional to 77,352,708.43, 106,748,757.08 and 42,546,312.10

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Solution

The fourth proportional to 77,352,708.43, 106,748,757.08 and 42,546,312.10 is: 58,715,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,708.43 : 106,748,757.08 = 42,546,312.10 : x
  2. Step 2: Convert to fraction form
    77,352,708.43/106,748,757.08 = 42,546,312.10/x
  3. Step 3: Cross multiply
    77,352,708.43x = 106,748,757.08 × 42,546,312.10
  4. Step 4: Simplify right side
    77,352,708.43x = 4,541,765,934,692,709
  5. Step 5: Solve for x
    x = 4,541,765,934,692,709/77,352,708.43
  6. Step 6: Final answer
    x = 58,715,021.45

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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.