Home / 99,077,166.30-148,615,749.45-73,249,133.70

Finding the Fourth Proportional to 99,077,166.30, 148,615,749.45 and 73,249,133.70

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Solution

The fourth proportional to 99,077,166.30, 148,615,749.45 and 73,249,133.70 is: 109,873,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,166.30 : 148,615,749.45 = 73,249,133.70 : x
  2. Step 2: Convert to fraction form
    99,077,166.30/148,615,749.45 = 73,249,133.70/x
  3. Step 3: Cross multiply
    99,077,166.30x = 148,615,749.45 × 73,249,133.70
  4. Step 4: Simplify right side
    99,077,166.30x = 10,885,974,901,388,752
  5. Step 5: Solve for x
    x = 10,885,974,901,388,752/99,077,166.30
  6. Step 6: Final answer
    x = 109,873,700.55

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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.