Home / 257,283,253.86-385,707,903.04-111,607,074.51

Finding the Fourth Proportional to 257,283,253.86, 385,707,903.04 and 111,607,074.51

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Solution

The fourth proportional to 257,283,253.86, 385,707,903.04 and 111,607,074.51 is: 167,316,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,283,253.86 : 385,707,903.04 = 111,607,074.51 : x
  2. Step 2: Convert to fraction form
    257,283,253.86/385,707,903.04 = 111,607,074.51/x
  3. Step 3: Cross multiply
    257,283,253.86x = 385,707,903.04 × 111,607,074.51
  4. Step 4: Simplify right side
    257,283,253.86x = 43,047,730,673,681,136
  5. Step 5: Solve for x
    x = 43,047,730,673,681,136/257,283,253.86
  6. Step 6: Final answer
    x = 167,316,488.84

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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.