Home / 99,066,274.40-148,473,440.40-47,837,986.40

Finding the Fourth Proportional to 99,066,274.40, 148,473,440.40 and 47,837,986.40

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Solution

The fourth proportional to 99,066,274.40, 148,473,440.40 and 47,837,986.40 is: 71,696,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,274.40 : 148,473,440.40 = 47,837,986.40 : x
  2. Step 2: Convert to fraction form
    99,066,274.40/148,473,440.40 = 47,837,986.40/x
  3. Step 3: Cross multiply
    99,066,274.40x = 148,473,440.40 × 47,837,986.40
  4. Step 4: Simplify right side
    99,066,274.40x = 7,102,670,422,616,411
  5. Step 5: Solve for x
    x = 7,102,670,422,616,411/99,066,274.40
  6. Step 6: Final answer
    x = 71,696,149.53

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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.