Home / 75,594,562.86-104,100,875.19-65,666,913.28

Finding the Fourth Proportional to 75,594,562.86, 104,100,875.19 and 65,666,913.28

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Solution

The fourth proportional to 75,594,562.86, 104,100,875.19 and 65,666,913.28 is: 90,429,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,594,562.86 : 104,100,875.19 = 65,666,913.28 : x
  2. Step 2: Convert to fraction form
    75,594,562.86/104,100,875.19 = 65,666,913.28/x
  3. Step 3: Cross multiply
    75,594,562.86x = 104,100,875.19 × 65,666,913.28
  4. Step 4: Simplify right side
    75,594,562.86x = 6,835,983,143,799,148
  5. Step 5: Solve for x
    x = 6,835,983,143,799,148/75,594,562.86
  6. Step 6: Final answer
    x = 90,429,561.14

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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.