Home / 127,117,365.30-190,700,931.15-54,334,005.30

Finding the Fourth Proportional to 127,117,365.30, 190,700,931.15 and 54,334,005.30

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Solution

The fourth proportional to 127,117,365.30, 190,700,931.15 and 54,334,005.30 is: 81,511,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117,365.30 : 190,700,931.15 = 54,334,005.30 : x
  2. Step 2: Convert to fraction form
    127,117,365.30/190,700,931.15 = 54,334,005.30/x
  3. Step 3: Cross multiply
    127,117,365.30x = 190,700,931.15 × 54,334,005.30
  4. Step 4: Simplify right side
    127,117,365.30x = 10,361,545,403,819,034
  5. Step 5: Solve for x
    x = 10,361,545,403,819,034/127,117,365.30
  6. Step 6: Final answer
    x = 81,511,643.82

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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.