Home / 154,854,023.58-213,704,191.77-84,286,224.45

Finding the Fourth Proportional to 154,854,023.58, 213,704,191.77 and 84,286,224.45

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Solution

The fourth proportional to 154,854,023.58, 213,704,191.77 and 84,286,224.45 is: 116,318,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,854,023.58 : 213,704,191.77 = 84,286,224.45 : x
  2. Step 2: Convert to fraction form
    154,854,023.58/213,704,191.77 = 84,286,224.45/x
  3. Step 3: Cross multiply
    154,854,023.58x = 213,704,191.77 × 84,286,224.45
  4. Step 4: Simplify right side
    154,854,023.58x = 18,012,319,473,432,064
  5. Step 5: Solve for x
    x = 18,012,319,473,432,064/154,854,023.58
  6. Step 6: Final answer
    x = 116,318,059.14

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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.