Home / 121,909,008.74-182,881,359.03-57,219,384.74

Finding the Fourth Proportional to 121,909,008.74, 182,881,359.03 and 57,219,384.74

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Solution

The fourth proportional to 121,909,008.74, 182,881,359.03 and 57,219,384.74 is: 85,837,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,909,008.74 : 182,881,359.03 = 57,219,384.74 : x
  2. Step 2: Convert to fraction form
    121,909,008.74/182,881,359.03 = 57,219,384.74/x
  3. Step 3: Cross multiply
    121,909,008.74x = 182,881,359.03 × 57,219,384.74
  4. Step 4: Simplify right side
    121,909,008.74x = 10,464,358,844,111,644
  5. Step 5: Solve for x
    x = 10,464,358,844,111,644/121,909,008.74
  6. Step 6: Final answer
    x = 85,837,453.30

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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.