Home / 132,880,619.60-199,320,929.40-86,964,117.20

Finding the Fourth Proportional to 132,880,619.60, 199,320,929.40 and 86,964,117.20

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Solution

The fourth proportional to 132,880,619.60, 199,320,929.40 and 86,964,117.20 is: 130,446,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,619.60 : 199,320,929.40 = 86,964,117.20 : x
  2. Step 2: Convert to fraction form
    132,880,619.60/199,320,929.40 = 86,964,117.20/x
  3. Step 3: Cross multiply
    132,880,619.60x = 199,320,929.40 × 86,964,117.20
  4. Step 4: Simplify right side
    132,880,619.60x = 17,333,768,664,754,526
  5. Step 5: Solve for x
    x = 17,333,768,664,754,526/132,880,619.60
  6. Step 6: Final answer
    x = 130,446,175.80

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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.