Home / 77,027,581.53-106,308,962.56-47,668,369.50

Finding the Fourth Proportional to 77,027,581.53, 106,308,962.56 and 47,668,369.50

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Solution

The fourth proportional to 77,027,581.53, 106,308,962.56 and 47,668,369.50 is: 65,789,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,027,581.53 : 106,308,962.56 = 47,668,369.50 : x
  2. Step 2: Convert to fraction form
    77,027,581.53/106,308,962.56 = 47,668,369.50/x
  3. Step 3: Cross multiply
    77,027,581.53x = 106,308,962.56 × 47,668,369.50
  4. Step 4: Simplify right side
    77,027,581.53x = 5,067,574,908,471,746
  5. Step 5: Solve for x
    x = 5,067,574,908,471,746/77,027,581.53
  6. Step 6: Final answer
    x = 65,789,095.38

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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.