Home / 74,902,685.70-112,438,009.35-57,938,564.10

Finding the Fourth Proportional to 74,902,685.70, 112,438,009.35 and 57,938,564.10

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Solution

The fourth proportional to 74,902,685.70, 112,438,009.35 and 57,938,564.10 is: 86,972,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,685.70 : 112,438,009.35 = 57,938,564.10 : x
  2. Step 2: Convert to fraction form
    74,902,685.70/112,438,009.35 = 57,938,564.10/x
  3. Step 3: Cross multiply
    74,902,685.70x = 112,438,009.35 × 57,938,564.10
  4. Step 4: Simplify right side
    74,902,685.70x = 6,514,496,812,001,374
  5. Step 5: Solve for x
    x = 6,514,496,812,001,374/74,902,685.70
  6. Step 6: Final answer
    x = 86,972,806.80

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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.