Home / 65,200,620.80-97,800,931.20-19,756,510.40

Finding the Fourth Proportional to 65,200,620.80, 97,800,931.20 and 19,756,510.40

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Solution

The fourth proportional to 65,200,620.80, 97,800,931.20 and 19,756,510.40 is: 29,634,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,620.80 : 97,800,931.20 = 19,756,510.40 : x
  2. Step 2: Convert to fraction form
    65,200,620.80/97,800,931.20 = 19,756,510.40/x
  3. Step 3: Cross multiply
    65,200,620.80x = 97,800,931.20 × 19,756,510.40
  4. Step 4: Simplify right side
    65,200,620.80x = 1,932,205,114,382,484.50
  5. Step 5: Solve for x
    x = 1,932,205,114,382,484.50/65,200,620.80
  6. Step 6: Final answer
    x = 29,634,765.60

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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.