Home / 194,060,109.60-291,090,164.40-64,671,940.80

Finding the Fourth Proportional to 194,060,109.60, 291,090,164.40 and 64,671,940.80

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Solution

The fourth proportional to 194,060,109.60, 291,090,164.40 and 64,671,940.80 is: 97,007,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,060,109.60 : 291,090,164.40 = 64,671,940.80 : x
  2. Step 2: Convert to fraction form
    194,060,109.60/291,090,164.40 = 64,671,940.80/x
  3. Step 3: Cross multiply
    194,060,109.60x = 291,090,164.40 × 64,671,940.80
  4. Step 4: Simplify right side
    194,060,109.60x = 18,825,365,879,539,064
  5. Step 5: Solve for x
    x = 18,825,365,879,539,064/194,060,109.60
  6. Step 6: Final answer
    x = 97,007,911.20

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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.