Home / 21,167,132,422.58-31,750,698,622.93-7,903,426,530.32

Finding the Fourth Proportional to 21,167,132,422.58, 31,750,698,622.93 and 7,903,426,530.32

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Solution

The fourth proportional to 21,167,132,422.58, 31,750,698,622.93 and 7,903,426,530.32 is: 11,855,139,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,132,422.58 : 31,750,698,622.93 = 7,903,426,530.32 : x
  2. Step 2: Convert to fraction form
    21,167,132,422.58/31,750,698,622.93 = 7,903,426,530.32/x
  3. Step 3: Cross multiply
    21,167,132,422.58x = 31,750,698,622.93 × 7,903,426,530.32
  4. Step 4: Simplify right side
    21,167,132,422.58x = 250,939,313,852,659,630,080
  5. Step 5: Solve for x
    x = 250,939,313,852,659,630,080/21,167,132,422.58
  6. Step 6: Final answer
    x = 11,855,139,791.40

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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.