Home / 307,089,007.80-460,633,511.70-190,862,861.10

Finding the Fourth Proportional to 307,089,007.80, 460,633,511.70 and 190,862,861.10

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Solution

The fourth proportional to 307,089,007.80, 460,633,511.70 and 190,862,861.10 is: 286,294,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,089,007.80 : 460,633,511.70 = 190,862,861.10 : x
  2. Step 2: Convert to fraction form
    307,089,007.80/460,633,511.70 = 190,862,861.10/x
  3. Step 3: Cross multiply
    307,089,007.80x = 460,633,511.70 × 190,862,861.10
  4. Step 4: Simplify right side
    307,089,007.80x = 87,917,829,961,602,320
  5. Step 5: Solve for x
    x = 87,917,829,961,602,320/307,089,007.80
  6. Step 6: Final answer
    x = 286,294,291.65

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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.