Home / 132,130,431.90-198,266,506.65-55,461,210.30

Finding the Fourth Proportional to 132,130,431.90, 198,266,506.65 and 55,461,210.30

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Solution

The fourth proportional to 132,130,431.90, 198,266,506.65 and 55,461,210.30 is: 83,221,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130,431.90 : 198,266,506.65 = 55,461,210.30 : x
  2. Step 2: Convert to fraction form
    132,130,431.90/198,266,506.65 = 55,461,210.30/x
  3. Step 3: Cross multiply
    132,130,431.90x = 198,266,506.65 × 55,461,210.30
  4. Step 4: Simplify right side
    132,130,431.90x = 10,996,100,420,761,998
  5. Step 5: Solve for x
    x = 10,996,100,420,761,998/132,130,431.90
  6. Step 6: Final answer
    x = 83,221,558.14

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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.