Home / 220,095,345-303,411,459.78-153,810,051.24

Finding the Fourth Proportional to 220,095,345, 303,411,459.78 and 153,810,051.24

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Solution

The fourth proportional to 220,095,345, 303,411,459.78 and 153,810,051.24 is: 212,034,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,095,345 : 303,411,459.78 = 153,810,051.24 : x
  2. Step 2: Convert to fraction form
    220,095,345/303,411,459.78 = 153,810,051.24/x
  3. Step 3: Cross multiply
    220,095,345x = 303,411,459.78 × 153,810,051.24
  4. Step 4: Simplify right side
    220,095,345x = 46,667,732,175,565,000
  5. Step 5: Solve for x
    x = 46,667,732,175,565,000/220,095,345
  6. Step 6: Final answer
    x = 212,034,162.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.