Home / 35,153,812.80-52,686,482.40-31,172,500.80

Finding the Fourth Proportional to 35,153,812.80, 52,686,482.40 and 31,172,500.80

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Solution

The fourth proportional to 35,153,812.80, 52,686,482.40 and 31,172,500.80 is: 46,719,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153,812.80 : 52,686,482.40 = 31,172,500.80 : x
  2. Step 2: Convert to fraction form
    35,153,812.80/52,686,482.40 = 31,172,500.80/x
  3. Step 3: Cross multiply
    35,153,812.80x = 52,686,482.40 × 31,172,500.80
  4. Step 4: Simplify right side
    35,153,812.80x = 1,642,369,414,763,186
  5. Step 5: Solve for x
    x = 1,642,369,414,763,186/35,153,812.80
  6. Step 6: Final answer
    x = 46,719,524.40

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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.