Home / 132,075,201.60-198,112,802.40-82,970,053.20

Finding the Fourth Proportional to 132,075,201.60, 198,112,802.40 and 82,970,053.20

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Solution

The fourth proportional to 132,075,201.60, 198,112,802.40 and 82,970,053.20 is: 124,455,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,075,201.60 : 198,112,802.40 = 82,970,053.20 : x
  2. Step 2: Convert to fraction form
    132,075,201.60/198,112,802.40 = 82,970,053.20/x
  3. Step 3: Cross multiply
    132,075,201.60x = 198,112,802.40 × 82,970,053.20
  4. Step 4: Simplify right side
    132,075,201.60x = 16,437,429,754,729,088
  5. Step 5: Solve for x
    x = 16,437,429,754,729,088/132,075,201.60
  6. Step 6: Final answer
    x = 124,455,079.80

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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.