Home / 196,236,820.80-294,355,231.20-59,921,985.60

Finding the Fourth Proportional to 196,236,820.80, 294,355,231.20 and 59,921,985.60

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Solution

The fourth proportional to 196,236,820.80, 294,355,231.20 and 59,921,985.60 is: 89,882,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,236,820.80 : 294,355,231.20 = 59,921,985.60 : x
  2. Step 2: Convert to fraction form
    196,236,820.80/294,355,231.20 = 59,921,985.60/x
  3. Step 3: Cross multiply
    196,236,820.80x = 294,355,231.20 × 59,921,985.60
  4. Step 4: Simplify right side
    196,236,820.80x = 17,638,349,925,251,070
  5. Step 5: Solve for x
    x = 17,638,349,925,251,070/196,236,820.80
  6. Step 6: Final answer
    x = 89,882,978.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.