Home / 76,655,582-105,783,737.64-43,615,727.36

Finding the Fourth Proportional to 76,655,582, 105,783,737.64 and 43,615,727.36

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Solution

The fourth proportional to 76,655,582, 105,783,737.64 and 43,615,727.36 is: 60,189,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655,582 : 105,783,737.64 = 43,615,727.36 : x
  2. Step 2: Convert to fraction form
    76,655,582/105,783,737.64 = 43,615,727.36/x
  3. Step 3: Cross multiply
    76,655,582x = 105,783,737.64 × 43,615,727.36
  4. Step 4: Simplify right side
    76,655,582x = 4,613,834,660,028,010
  5. Step 5: Solve for x
    x = 4,613,834,660,028,010/76,655,582
  6. Step 6: Final answer
    x = 60,189,154.39

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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.