Home / 65,610,180.80-98,415,271.20-20,166,070.40

Finding the Fourth Proportional to 65,610,180.80, 98,415,271.20 and 20,166,070.40

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Solution

The fourth proportional to 65,610,180.80, 98,415,271.20 and 20,166,070.40 is: 30,249,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,180.80 : 98,415,271.20 = 20,166,070.40 : x
  2. Step 2: Convert to fraction form
    65,610,180.80/98,415,271.20 = 20,166,070.40/x
  3. Step 3: Cross multiply
    65,610,180.80x = 98,415,271.20 × 20,166,070.40
  4. Step 4: Simplify right side
    65,610,180.80x = 1,984,649,287,454,292.50
  5. Step 5: Solve for x
    x = 1,984,649,287,454,292.50/65,610,180.80
  6. Step 6: Final answer
    x = 30,249,105.60

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1.5x scale

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.