Home / 243,727,075.18-336,343,363.77-139,307,388.52

Finding the Fourth Proportional to 243,727,075.18, 336,343,363.77 and 139,307,388.52

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Solution

The fourth proportional to 243,727,075.18, 336,343,363.77 and 139,307,388.52 is: 192,244,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,075.18 : 336,343,363.77 = 139,307,388.52 : x
  2. Step 2: Convert to fraction form
    243,727,075.18/336,343,363.77 = 139,307,388.52/x
  3. Step 3: Cross multiply
    243,727,075.18x = 336,343,363.77 × 139,307,388.52
  4. Step 4: Simplify right side
    243,727,075.18x = 46,855,115,651,497,624
  5. Step 5: Solve for x
    x = 46,855,115,651,497,624/243,727,075.18
  6. Step 6: Final answer
    x = 192,244,196.17

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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.