Home / 57,780,328.40-86,670,492.60-19,429,096.40

Finding the Fourth Proportional to 57,780,328.40, 86,670,492.60 and 19,429,096.40

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Solution

The fourth proportional to 57,780,328.40, 86,670,492.60 and 19,429,096.40 is: 29,143,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780,328.40 : 86,670,492.60 = 19,429,096.40 : x
  2. Step 2: Convert to fraction form
    57,780,328.40/86,670,492.60 = 19,429,096.40/x
  3. Step 3: Cross multiply
    57,780,328.40x = 86,670,492.60 × 19,429,096.40
  4. Step 4: Simplify right side
    57,780,328.40x = 1,683,929,355,760,886.50
  5. Step 5: Solve for x
    x = 1,683,929,355,760,886.50/57,780,328.40
  6. Step 6: Final answer
    x = 29,143,644.60

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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.