Home / 74,902,575.14-112,353,862.71-21,049,887.14

Finding the Fourth Proportional to 74,902,575.14, 112,353,862.71 and 21,049,887.14

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Solution

The fourth proportional to 74,902,575.14, 112,353,862.71 and 21,049,887.14 is: 31,574,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,575.14 : 112,353,862.71 = 21,049,887.14 : x
  2. Step 2: Convert to fraction form
    74,902,575.14/112,353,862.71 = 21,049,887.14/x
  3. Step 3: Cross multiply
    74,902,575.14x = 112,353,862.71 × 21,049,887.14
  4. Step 4: Simplify right side
    74,902,575.14x = 2,365,036,130,069,439
  5. Step 5: Solve for x
    x = 2,365,036,130,069,439/74,902,575.14
  6. Step 6: Final answer
    x = 31,574,830.71

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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.