Home / 65,914,210.40-98,871,315.60-38,973,999.20

Finding the Fourth Proportional to 65,914,210.40, 98,871,315.60 and 38,973,999.20

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Solution

The fourth proportional to 65,914,210.40, 98,871,315.60 and 38,973,999.20 is: 58,460,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914,210.40 : 98,871,315.60 = 38,973,999.20 : x
  2. Step 2: Convert to fraction form
    65,914,210.40/98,871,315.60 = 38,973,999.20/x
  3. Step 3: Cross multiply
    65,914,210.40x = 98,871,315.60 × 38,973,999.20
  4. Step 4: Simplify right side
    65,914,210.40x = 3,853,410,575,097,347.50
  5. Step 5: Solve for x
    x = 3,853,410,575,097,347.50/65,914,210.40
  6. Step 6: Final answer
    x = 58,460,998.80

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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.