Home / 153,793,433.57-212,236,931.77-84,177,319.77

Finding the Fourth Proportional to 153,793,433.57, 212,236,931.77 and 84,177,319.77

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Solution

The fourth proportional to 153,793,433.57, 212,236,931.77 and 84,177,319.77 is: 116,165,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793,433.57 : 212,236,931.77 = 84,177,319.77 : x
  2. Step 2: Convert to fraction form
    153,793,433.57/212,236,931.77 = 84,177,319.77/x
  3. Step 3: Cross multiply
    153,793,433.57x = 212,236,931.77 × 84,177,319.77
  4. Step 4: Simplify right side
    153,793,433.57x = 17,865,536,072,396,520
  5. Step 5: Solve for x
    x = 17,865,536,072,396,520/153,793,433.57
  6. Step 6: Final answer
    x = 116,165,792.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.