Home / 65,189,970.40-97,798,077.60-19,131,750.40

Finding the Fourth Proportional to 65,189,970.40, 97,798,077.60 and 19,131,750.40

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Solution

The fourth proportional to 65,189,970.40, 97,798,077.60 and 19,131,750.40 is: 28,701,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189,970.40 : 97,798,077.60 = 19,131,750.40 : x
  2. Step 2: Convert to fraction form
    65,189,970.40/97,798,077.60 = 19,131,750.40/x
  3. Step 3: Cross multiply
    65,189,970.40x = 97,798,077.60 × 19,131,750.40
  4. Step 4: Simplify right side
    65,189,970.40x = 1,871,048,410,243,030.75
  5. Step 5: Solve for x
    x = 1,871,048,410,243,030.75/65,189,970.40
  6. Step 6: Final answer
    x = 28,701,476.60

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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.