Home / 78,249,058.64-117,335,835.48-32,798,649.68

Finding the Fourth Proportional to 78,249,058.64, 117,335,835.48 and 32,798,649.68

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Solution

The fourth proportional to 78,249,058.64, 117,335,835.48 and 32,798,649.68 is: 49,182,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,249,058.64 : 117,335,835.48 = 32,798,649.68 : x
  2. Step 2: Convert to fraction form
    78,249,058.64/117,335,835.48 = 32,798,649.68/x
  3. Step 3: Cross multiply
    78,249,058.64x = 117,335,835.48 × 32,798,649.68
  4. Step 4: Simplify right side
    78,249,058.64x = 3,848,456,962,818,634.50
  5. Step 5: Solve for x
    x = 3,848,456,962,818,634.50/78,249,058.64
  6. Step 6: Final answer
    x = 49,182,150.30

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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.