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Finding the Fourth Proportional to 196,751,901.60, 295,127,852.40 and 60,444,064.80

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Solution

The fourth proportional to 196,751,901.60, 295,127,852.40 and 60,444,064.80 is: 90,666,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,751,901.60 : 295,127,852.40 = 60,444,064.80 : x
  2. Step 2: Convert to fraction form
    196,751,901.60/295,127,852.40 = 60,444,064.80/x
  3. Step 3: Cross multiply
    196,751,901.60x = 295,127,852.40 × 60,444,064.80
  4. Step 4: Simplify right side
    196,751,901.60x = 17,838,727,034,750,434
  5. Step 5: Solve for x
    x = 17,838,727,034,750,434/196,751,901.60
  6. Step 6: Final answer
    x = 90,666,097.20

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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.