Home / 243,281,333.47-335,710,810.89-142,813,850.01

Finding the Fourth Proportional to 243,281,333.47, 335,710,810.89 and 142,813,850.01

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Solution

The fourth proportional to 243,281,333.47, 335,710,810.89 and 142,813,850.01 is: 197,072,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,333.47 : 335,710,810.89 = 142,813,850.01 : x
  2. Step 2: Convert to fraction form
    243,281,333.47/335,710,810.89 = 142,813,850.01/x
  3. Step 3: Cross multiply
    243,281,333.47x = 335,710,810.89 × 142,813,850.01
  4. Step 4: Simplify right side
    243,281,333.47x = 47,944,153,392,644,384
  5. Step 5: Solve for x
    x = 47,944,153,392,644,384/243,281,333.47
  6. Step 6: Final answer
    x = 197,072,881.46

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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.