Home / 102,013,441.20-153,020,161.80-101,056,847.40

Finding the Fourth Proportional to 102,013,441.20, 153,020,161.80 and 101,056,847.40

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Solution

The fourth proportional to 102,013,441.20, 153,020,161.80 and 101,056,847.40 is: 151,585,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,013,441.20 : 153,020,161.80 = 101,056,847.40 : x
  2. Step 2: Convert to fraction form
    102,013,441.20/153,020,161.80 = 101,056,847.40/x
  3. Step 3: Cross multiply
    102,013,441.20x = 153,020,161.80 × 101,056,847.40
  4. Step 4: Simplify right side
    102,013,441.20x = 15,463,735,140,145,912
  5. Step 5: Solve for x
    x = 15,463,735,140,145,912/102,013,441.20
  6. Step 6: Final answer
    x = 151,585,271.10

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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.