Home / 153,713,039.04-212,127,056.28-84,099,914.55

Finding the Fourth Proportional to 153,713,039.04, 212,127,056.28 and 84,099,914.55

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Solution

The fourth proportional to 153,713,039.04, 212,127,056.28 and 84,099,914.55 is: 116,059,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,713,039.04 : 212,127,056.28 = 84,099,914.55 : x
  2. Step 2: Convert to fraction form
    153,713,039.04/212,127,056.28 = 84,099,914.55/x
  3. Step 3: Cross multiply
    153,713,039.04x = 212,127,056.28 × 84,099,914.55
  4. Step 4: Simplify right side
    153,713,039.04x = 17,839,867,306,891,040
  5. Step 5: Solve for x
    x = 17,839,867,306,891,040/153,713,039.04
  6. Step 6: Final answer
    x = 116,059,557.59

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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.