Home / 99,077,346.60-148,616,019.90-64,639,969.80

Finding the Fourth Proportional to 99,077,346.60, 148,616,019.90 and 64,639,969.80

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Solution

The fourth proportional to 99,077,346.60, 148,616,019.90 and 64,639,969.80 is: 96,959,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,346.60 : 148,616,019.90 = 64,639,969.80 : x
  2. Step 2: Convert to fraction form
    99,077,346.60/148,616,019.90 = 64,639,969.80/x
  3. Step 3: Cross multiply
    99,077,346.60x = 148,616,019.90 × 64,639,969.80
  4. Step 4: Simplify right side
    99,077,346.60x = 9,606,535,038,132,198
  5. Step 5: Solve for x
    x = 9,606,535,038,132,198/99,077,346.60
  6. Step 6: Final answer
    x = 96,959,954.70

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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.