Home / 190,473,682.86-262,852,598.34-105,699,953.16

Finding the Fourth Proportional to 190,473,682.86, 262,852,598.34 and 105,699,953.16

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Solution

The fourth proportional to 190,473,682.86, 262,852,598.34 and 105,699,953.16 is: 145,865,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473,682.86 : 262,852,598.34 = 105,699,953.16 : x
  2. Step 2: Convert to fraction form
    190,473,682.86/262,852,598.34 = 105,699,953.16/x
  3. Step 3: Cross multiply
    190,473,682.86x = 262,852,598.34 × 105,699,953.16
  4. Step 4: Simplify right side
    190,473,682.86x = 27,783,507,332,522,292
  5. Step 5: Solve for x
    x = 27,783,507,332,522,292/190,473,682.86
  6. Step 6: Final answer
    x = 145,865,333.81

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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.