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Finding the Fourth Proportional to 98,648,682.80, 147,973,024.20 and 94,617,604.40

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Solution

The fourth proportional to 98,648,682.80, 147,973,024.20 and 94,617,604.40 is: 141,926,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,648,682.80 : 147,973,024.20 = 94,617,604.40 : x
  2. Step 2: Convert to fraction form
    98,648,682.80/147,973,024.20 = 94,617,604.40/x
  3. Step 3: Cross multiply
    98,648,682.80x = 147,973,024.20 × 94,617,604.40
  4. Step 4: Simplify right side
    98,648,682.80x = 14,000,853,065,627,226
  5. Step 5: Solve for x
    x = 14,000,853,065,627,226/98,648,682.80
  6. Step 6: Final answer
    x = 141,926,406.60

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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.