Home / 99,271,599.68-148,909,265.76-31,112,782.40

Finding the Fourth Proportional to 99,271,599.68, 148,909,265.76 and 31,112,782.40

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Solution

The fourth proportional to 99,271,599.68, 148,909,265.76 and 31,112,782.40 is: 46,669,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271,599.68 : 148,909,265.76 = 31,112,782.40 : x
  2. Step 2: Convert to fraction form
    99,271,599.68/148,909,265.76 = 31,112,782.40/x
  3. Step 3: Cross multiply
    99,271,599.68x = 148,909,265.76 × 31,112,782.40
  4. Step 4: Simplify right side
    99,271,599.68x = 4,632,981,582,934,650
  5. Step 5: Solve for x
    x = 4,632,981,582,934,650/99,271,599.68
  6. Step 6: Final answer
    x = 46,669,758.50

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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.