Home / 77,273,336.40-115,963,148.16-31,835,130.90

Finding the Fourth Proportional to 77,273,336.40, 115,963,148.16 and 31,835,130.90

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Solution

The fourth proportional to 77,273,336.40, 115,963,148.16 and 31,835,130.90 is: 47,774,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273,336.40 : 115,963,148.16 = 31,835,130.90 : x
  2. Step 2: Convert to fraction form
    77,273,336.40/115,963,148.16 = 31,835,130.90/x
  3. Step 3: Cross multiply
    77,273,336.40x = 115,963,148.16 × 31,835,130.90
  4. Step 4: Simplify right side
    77,273,336.40x = 3,691,702,001,249,694
  5. Step 5: Solve for x
    x = 3,691,702,001,249,694/77,273,336.40
  6. Step 6: Final answer
    x = 47,774,590.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.