Home / 99,077,129.80-148,615,694.70-73,249,097.20

Finding the Fourth Proportional to 99,077,129.80, 148,615,694.70 and 73,249,097.20

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Solution

The fourth proportional to 99,077,129.80, 148,615,694.70 and 73,249,097.20 is: 109,873,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,129.80 : 148,615,694.70 = 73,249,097.20 : x
  2. Step 2: Convert to fraction form
    99,077,129.80/148,615,694.70 = 73,249,097.20/x
  3. Step 3: Cross multiply
    99,077,129.80x = 148,615,694.70 × 73,249,097.20
  4. Step 4: Simplify right side
    99,077,129.80x = 10,885,965,466,525,824
  5. Step 5: Solve for x
    x = 10,885,965,466,525,824/99,077,129.80
  6. Step 6: Final answer
    x = 109,873,645.80

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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.