Home / 177,959,638.60-266,939,457.90-139,739,043.40

Finding the Fourth Proportional to 177,959,638.60, 266,939,457.90 and 139,739,043.40

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Solution

The fourth proportional to 177,959,638.60, 266,939,457.90 and 139,739,043.40 is: 209,608,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,959,638.60 : 266,939,457.90 = 139,739,043.40 : x
  2. Step 2: Convert to fraction form
    177,959,638.60/266,939,457.90 = 139,739,043.40/x
  3. Step 3: Cross multiply
    177,959,638.60x = 266,939,457.90 × 139,739,043.40
  4. Step 4: Simplify right side
    177,959,638.60x = 37,301,864,492,660,576
  5. Step 5: Solve for x
    x = 37,301,864,492,660,576/177,959,638.60
  6. Step 6: Final answer
    x = 209,608,565.10

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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.