Home / 260,220,101.71-390,291,757.90-75,938,097.93

Finding the Fourth Proportional to 260,220,101.71, 390,291,757.90 and 75,938,097.93

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Solution

The fourth proportional to 260,220,101.71, 390,291,757.90 and 75,938,097.93 is: 113,895,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,220,101.71 : 390,291,757.90 = 75,938,097.93 : x
  2. Step 2: Convert to fraction form
    260,220,101.71/390,291,757.90 = 75,938,097.93/x
  3. Step 3: Cross multiply
    260,220,101.71x = 390,291,757.90 × 75,938,097.93
  4. Step 4: Simplify right side
    260,220,101.71x = 29,638,013,733,545,224
  5. Step 5: Solve for x
    x = 29,638,013,733,545,224/260,220,101.71
  6. Step 6: Final answer
    x = 113,895,942.47

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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.