Home / 75,110,976,004.80-112,666,464,007.20-69,435,217,617.60

Finding the Fourth Proportional to 75,110,976,004.80, 112,666,464,007.20 and 69,435,217,617.60

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Solution

The fourth proportional to 75,110,976,004.80, 112,666,464,007.20 and 69,435,217,617.60 is: 104,152,826,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110,976,004.80 : 112,666,464,007.20 = 69,435,217,617.60 : x
  2. Step 2: Convert to fraction form
    75,110,976,004.80/112,666,464,007.20 = 69,435,217,617.60/x
  3. Step 3: Cross multiply
    75,110,976,004.80x = 112,666,464,007.20 × 69,435,217,617.60
  4. Step 4: Simplify right side
    75,110,976,004.80x = 7,823,020,446,545,430,446,080
  5. Step 5: Solve for x
    x = 7,823,020,446,545,430,446,080/75,110,976,004.80
  6. Step 6: Final answer
    x = 104,152,826,426.40

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1.5x scale

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.