Home / 189,754,483,612.69-261,866,005,436-104,115,426,661.06

Finding the Fourth Proportional to 189,754,483,612.69, 261,866,005,436 and 104,115,426,661.06

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Solution

The fourth proportional to 189,754,483,612.69, 261,866,005,436 and 104,115,426,661.06 is: 143,681,932,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,754,483,612.69 : 261,866,005,436 = 104,115,426,661.06 : x
  2. Step 2: Convert to fraction form
    189,754,483,612.69/261,866,005,436 = 104,115,426,661.06/x
  3. Step 3: Cross multiply
    189,754,483,612.69x = 261,866,005,436 × 104,115,426,661.06
  4. Step 4: Simplify right side
    189,754,483,612.69x = 27,264,290,883,996,596,830,208
  5. Step 5: Solve for x
    x = 27,264,290,883,996,596,830,208/189,754,483,612.69
  6. Step 6: Final answer
    x = 143,681,932,383.99

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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.