Home / 117,249,796.90-175,874,695.35-80,970,091.30

Finding the Fourth Proportional to 117,249,796.90, 175,874,695.35 and 80,970,091.30

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Solution

The fourth proportional to 117,249,796.90, 175,874,695.35 and 80,970,091.30 is: 121,455,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249,796.90 : 175,874,695.35 = 80,970,091.30 : x
  2. Step 2: Convert to fraction form
    117,249,796.90/175,874,695.35 = 80,970,091.30/x
  3. Step 3: Cross multiply
    117,249,796.90x = 175,874,695.35 × 80,970,091.30
  4. Step 4: Simplify right side
    117,249,796.90x = 14,240,590,139,849,184
  5. Step 5: Solve for x
    x = 14,240,590,139,849,184/117,249,796.90
  6. Step 6: Final answer
    x = 121,455,136.95

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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.