Home / 154,327,233.76-212,971,815.90-83,762,869.30

Finding the Fourth Proportional to 154,327,233.76, 212,971,815.90 and 83,762,869.30

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Solution

The fourth proportional to 154,327,233.76, 212,971,815.90 and 83,762,869.30 is: 115,592,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,327,233.76 : 212,971,815.90 = 83,762,869.30 : x
  2. Step 2: Convert to fraction form
    154,327,233.76/212,971,815.90 = 83,762,869.30/x
  3. Step 3: Cross multiply
    154,327,233.76x = 212,971,815.90 × 83,762,869.30
  4. Step 4: Simplify right side
    154,327,233.76x = 17,839,130,379,282,932
  5. Step 5: Solve for x
    x = 17,839,130,379,282,932/154,327,233.76
  6. Step 6: Final answer
    x = 115,592,886.26

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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.