Home / 105,598,632.96-145,453,527.36-74,605,000.32

Finding the Fourth Proportional to 105,598,632.96, 145,453,527.36 and 74,605,000.32

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Solution

The fourth proportional to 105,598,632.96, 145,453,527.36 and 74,605,000.32 is: 102,762,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,598,632.96 : 145,453,527.36 = 74,605,000.32 : x
  2. Step 2: Convert to fraction form
    105,598,632.96/145,453,527.36 = 74,605,000.32/x
  3. Step 3: Cross multiply
    105,598,632.96x = 145,453,527.36 × 74,605,000.32
  4. Step 4: Simplify right side
    105,598,632.96x = 10,851,560,455,237,928
  5. Step 5: Solve for x
    x = 10,851,560,455,237,928/105,598,632.96
  6. Step 6: Final answer
    x = 102,762,319.46

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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.