Home / 103,164,381.04-154,740,971.56-31,355,198.32

Finding the Fourth Proportional to 103,164,381.04, 154,740,971.56 and 31,355,198.32

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Solution

The fourth proportional to 103,164,381.04, 154,740,971.56 and 31,355,198.32 is: 47,031,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,164,381.04 : 154,740,971.56 = 31,355,198.32 : x
  2. Step 2: Convert to fraction form
    103,164,381.04/154,740,971.56 = 31,355,198.32/x
  3. Step 3: Cross multiply
    103,164,381.04x = 154,740,971.56 × 31,355,198.32
  4. Step 4: Simplify right side
    103,164,381.04x = 4,851,933,851,493,280
  5. Step 5: Solve for x
    x = 4,851,933,851,493,280/103,164,381.04
  6. Step 6: Final answer
    x = 47,031,095.45

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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.