Home / 239,949,675.02-331,036,802.75-139,461,415.22

Finding the Fourth Proportional to 239,949,675.02, 331,036,802.75 and 139,461,415.22

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Solution

The fourth proportional to 239,949,675.02, 331,036,802.75 and 139,461,415.22 is: 192,402,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,949,675.02 : 331,036,802.75 = 139,461,415.22 : x
  2. Step 2: Convert to fraction form
    239,949,675.02/331,036,802.75 = 139,461,415.22/x
  3. Step 3: Cross multiply
    239,949,675.02x = 331,036,802.75 × 139,461,415.22
  4. Step 4: Simplify right side
    239,949,675.02x = 46,166,860,999,066,496
  5. Step 5: Solve for x
    x = 46,166,860,999,066,496/239,949,675.02
  6. Step 6: Final answer
    x = 192,402,265.17

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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.