Home / 111,497,944.47-153,871,534.80-76,289,597.88

Finding the Fourth Proportional to 111,497,944.47, 153,871,534.80 and 76,289,597.88

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Solution

The fourth proportional to 111,497,944.47, 153,871,534.80 and 76,289,597.88 is: 105,282,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497,944.47 : 153,871,534.80 = 76,289,597.88 : x
  2. Step 2: Convert to fraction form
    111,497,944.47/153,871,534.80 = 76,289,597.88/x
  3. Step 3: Cross multiply
    111,497,944.47x = 153,871,534.80 × 76,289,597.88
  4. Step 4: Simplify right side
    111,497,944.47x = 11,738,797,515,070,426
  5. Step 5: Solve for x
    x = 11,738,797,515,070,426/111,497,944.47
  6. Step 6: Final answer
    x = 105,282,636.11

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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.