Home / 77,392,632.06-106,798,629.60-42,110,582.40

Finding the Fourth Proportional to 77,392,632.06, 106,798,629.60 and 42,110,582.40

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Solution

The fourth proportional to 77,392,632.06, 106,798,629.60 and 42,110,582.40 is: 58,110,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,632.06 : 106,798,629.60 = 42,110,582.40 : x
  2. Step 2: Convert to fraction form
    77,392,632.06/106,798,629.60 = 42,110,582.40/x
  3. Step 3: Cross multiply
    77,392,632.06x = 106,798,629.60 × 42,110,582.40
  4. Step 4: Simplify right side
    77,392,632.06x = 4,497,352,491,977,878.50
  5. Step 5: Solve for x
    x = 4,497,352,491,977,878.50/77,392,632.06
  6. Step 6: Final answer
    x = 58,110,861.10

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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.