Home / 75,882,480-104,732,008.74-43,287,432

Finding the Fourth Proportional to 75,882,480, 104,732,008.74 and 43,287,432

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Solution

The fourth proportional to 75,882,480, 104,732,008.74 and 43,287,432 is: 59,744,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,882,480 : 104,732,008.74 = 43,287,432 : x
  2. Step 2: Convert to fraction form
    75,882,480/104,732,008.74 = 43,287,432/x
  3. Step 3: Cross multiply
    75,882,480x = 104,732,008.74 × 43,287,432
  4. Step 4: Simplify right side
    75,882,480x = 4,533,579,706,556,155
  5. Step 5: Solve for x
    x = 4,533,579,706,556,155/75,882,480
  6. Step 6: Final answer
    x = 59,744,748.81

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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.