Home / 243,727,075.85-336,343,364.66-139,307,389.18

Finding the Fourth Proportional to 243,727,075.85, 336,343,364.66 and 139,307,389.18

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Solution

The fourth proportional to 243,727,075.85, 336,343,364.66 and 139,307,389.18 is: 192,244,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,075.85 : 336,343,364.66 = 139,307,389.18 : x
  2. Step 2: Convert to fraction form
    243,727,075.85/336,343,364.66 = 139,307,389.18/x
  3. Step 3: Cross multiply
    243,727,075.85x = 336,343,364.66 × 139,307,389.18
  4. Step 4: Simplify right side
    243,727,075.85x = 46,855,115,998,308,696
  5. Step 5: Solve for x
    x = 46,855,115,998,308,696/243,727,075.85
  6. Step 6: Final answer
    x = 192,244,197.06

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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.