Home / 75,110,976,007.80-112,666,464,011.70-69,435,217,620.60

Finding the Fourth Proportional to 75,110,976,007.80, 112,666,464,011.70 and 69,435,217,620.60

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Solution

The fourth proportional to 75,110,976,007.80, 112,666,464,011.70 and 69,435,217,620.60 is: 104,152,826,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110,976,007.80 : 112,666,464,011.70 = 69,435,217,620.60 : x
  2. Step 2: Convert to fraction form
    75,110,976,007.80/112,666,464,011.70 = 69,435,217,620.60/x
  3. Step 3: Cross multiply
    75,110,976,007.80x = 112,666,464,011.70 × 69,435,217,620.60
  4. Step 4: Simplify right side
    75,110,976,007.80x = 7,823,020,447,195,888,353,280
  5. Step 5: Solve for x
    x = 7,823,020,447,195,888,353,280/75,110,976,007.80
  6. Step 6: Final answer
    x = 104,152,826,430.90

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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.