Home / 153,829,784.28-212,251,166.13-91,074,722.01

Finding the Fourth Proportional to 153,829,784.28, 212,251,166.13 and 91,074,722.01

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Solution

The fourth proportional to 153,829,784.28, 212,251,166.13 and 91,074,722.01 is: 125,663,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,829,784.28 : 212,251,166.13 = 91,074,722.01 : x
  2. Step 2: Convert to fraction form
    153,829,784.28/212,251,166.13 = 91,074,722.01/x
  3. Step 3: Cross multiply
    153,829,784.28x = 212,251,166.13 × 91,074,722.01
  4. Step 4: Simplify right side
    153,829,784.28x = 19,330,715,951,588,080
  5. Step 5: Solve for x
    x = 19,330,715,951,588,080/153,829,784.28
  6. Step 6: Final answer
    x = 125,663,024.51

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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.