Home / 195,713,575.35-270,085,801.72-115,249,077.69

Finding the Fourth Proportional to 195,713,575.35, 270,085,801.72 and 115,249,077.69

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Solution

The fourth proportional to 195,713,575.35, 270,085,801.72 and 115,249,077.69 is: 159,044,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,713,575.35 : 270,085,801.72 = 115,249,077.69 : x
  2. Step 2: Convert to fraction form
    195,713,575.35/270,085,801.72 = 115,249,077.69/x
  3. Step 3: Cross multiply
    195,713,575.35x = 270,085,801.72 × 115,249,077.69
  4. Step 4: Simplify right side
    195,713,575.35x = 31,127,139,544,817,968
  5. Step 5: Solve for x
    x = 31,127,139,544,817,968/195,713,575.35
  6. Step 6: Final answer
    x = 159,044,355.96

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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.