Home / 92,830,185.74-128,109,113.58-55,666,516.61

Finding the Fourth Proportional to 92,830,185.74, 128,109,113.58 and 55,666,516.61

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Solution

The fourth proportional to 92,830,185.74, 128,109,113.58 and 55,666,516.61 is: 76,821,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830,185.74 : 128,109,113.58 = 55,666,516.61 : x
  2. Step 2: Convert to fraction form
    92,830,185.74/128,109,113.58 = 55,666,516.61/x
  3. Step 3: Cross multiply
    92,830,185.74x = 128,109,113.58 × 55,666,516.61
  4. Step 4: Simplify right side
    92,830,185.74x = 7,131,388,098,352,900
  5. Step 5: Solve for x
    x = 7,131,388,098,352,900/92,830,185.74
  6. Step 6: Final answer
    x = 76,821,866.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.