Home / 124,711,563,743.80-187,067,345,615.70-76,774,735,238.20

Finding the Fourth Proportional to 124,711,563,743.80, 187,067,345,615.70 and 76,774,735,238.20

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Solution

The fourth proportional to 124,711,563,743.80, 187,067,345,615.70 and 76,774,735,238.20 is: 115,162,102,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711,563,743.80 : 187,067,345,615.70 = 76,774,735,238.20 : x
  2. Step 2: Convert to fraction form
    124,711,563,743.80/187,067,345,615.70 = 76,774,735,238.20/x
  3. Step 3: Cross multiply
    124,711,563,743.80x = 187,067,345,615.70 × 76,774,735,238.20
  4. Step 4: Simplify right side
    124,711,563,743.80x = 14,362,045,931,358,221,500,416
  5. Step 5: Solve for x
    x = 14,362,045,931,358,221,500,416/124,711,563,743.80
  6. Step 6: Final answer
    x = 115,162,102,857.30

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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.