Home / 52,116,955.95-78,149,962.67-21,403,325.73

Finding the Fourth Proportional to 52,116,955.95, 78,149,962.67 and 21,403,325.73

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Solution

The fourth proportional to 52,116,955.95, 78,149,962.67 and 21,403,325.73 is: 32,094,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,955.95 : 78,149,962.67 = 21,403,325.73 : x
  2. Step 2: Convert to fraction form
    52,116,955.95/78,149,962.67 = 21,403,325.73/x
  3. Step 3: Cross multiply
    52,116,955.95x = 78,149,962.67 × 21,403,325.73
  4. Step 4: Simplify right side
    52,116,955.95x = 1,672,669,106,706,334
  5. Step 5: Solve for x
    x = 1,672,669,106,706,334/52,116,955.95
  6. Step 6: Final answer
    x = 32,094,528.09

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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.