Home / 76,462,045.47-105,517,438.02-41,655,021.93

Finding the Fourth Proportional to 76,462,045.47, 105,517,438.02 and 41,655,021.93

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Solution

The fourth proportional to 76,462,045.47, 105,517,438.02 and 41,655,021.93 is: 57,483,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,462,045.47 : 105,517,438.02 = 41,655,021.93 : x
  2. Step 2: Convert to fraction form
    76,462,045.47/105,517,438.02 = 41,655,021.93/x
  3. Step 3: Cross multiply
    76,462,045.47x = 105,517,438.02 × 41,655,021.93
  4. Step 4: Simplify right side
    76,462,045.47x = 4,395,331,194,720,515.50
  5. Step 5: Solve for x
    x = 4,395,331,194,720,515.50/76,462,045.47
  6. Step 6: Final answer
    x = 57,483,829.63

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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.