Home / 154,184,597.82-212,822,383.23-99,180,459.18

Finding the Fourth Proportional to 154,184,597.82, 212,822,383.23 and 99,180,459.18

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Solution

The fourth proportional to 154,184,597.82, 212,822,383.23 and 99,180,459.18 is: 136,899,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,184,597.82 : 212,822,383.23 = 99,180,459.18 : x
  2. Step 2: Convert to fraction form
    154,184,597.82/212,822,383.23 = 99,180,459.18/x
  3. Step 3: Cross multiply
    154,184,597.82x = 212,822,383.23 × 99,180,459.18
  4. Step 4: Simplify right side
    154,184,597.82x = 21,107,821,692,533,332
  5. Step 5: Solve for x
    x = 21,107,821,692,533,332/154,184,597.82
  6. Step 6: Final answer
    x = 136,899,677.34

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1.5x scale

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.