Home / 243,281,334.98-335,710,812.96-142,813,851.51

Finding the Fourth Proportional to 243,281,334.98, 335,710,812.96 and 142,813,851.51

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Solution

The fourth proportional to 243,281,334.98, 335,710,812.96 and 142,813,851.51 is: 197,072,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,334.98 : 335,710,812.96 = 142,813,851.51 : x
  2. Step 2: Convert to fraction form
    243,281,334.98/335,710,812.96 = 142,813,851.51/x
  3. Step 3: Cross multiply
    243,281,334.98x = 335,710,812.96 × 142,813,851.51
  4. Step 4: Simplify right side
    243,281,334.98x = 47,944,154,192,370,816
  5. Step 5: Solve for x
    x = 47,944,154,192,370,816/243,281,334.98
  6. Step 6: Final answer
    x = 197,072,883.53

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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.