Home / 243,727,074.57-336,343,362.91-139,307,387.93

Finding the Fourth Proportional to 243,727,074.57, 336,343,362.91 and 139,307,387.93

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Solution

The fourth proportional to 243,727,074.57, 336,343,362.91 and 139,307,387.93 is: 192,244,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,074.57 : 336,343,362.91 = 139,307,387.93 : x
  2. Step 2: Convert to fraction form
    243,727,074.57/336,343,362.91 = 139,307,387.93/x
  3. Step 3: Cross multiply
    243,727,074.57x = 336,343,362.91 × 139,307,387.93
  4. Step 4: Simplify right side
    243,727,074.57x = 46,855,115,334,584,152
  5. Step 5: Solve for x
    x = 46,855,115,334,584,152/243,727,074.57
  6. Step 6: Final answer
    x = 192,244,195.35

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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.