Home / 154,048,539,102.89-212,587,234,050.46-85,459,953,993.46

Finding the Fourth Proportional to 154,048,539,102.89, 212,587,234,050.46 and 85,459,953,993.46

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Solution

The fourth proportional to 154,048,539,102.89, 212,587,234,050.46 and 85,459,953,993.46 is: 117,934,875,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,048,539,102.89 : 212,587,234,050.46 = 85,459,953,993.46 : x
  2. Step 2: Convert to fraction form
    154,048,539,102.89/212,587,234,050.46 = 85,459,953,993.46/x
  3. Step 3: Cross multiply
    154,048,539,102.89x = 212,587,234,050.46 × 85,459,953,993.46
  4. Step 4: Simplify right side
    154,048,539,102.89x = 18,167,695,241,548,161,613,824
  5. Step 5: Solve for x
    x = 18,167,695,241,548,161,613,824/154,048,539,102.89
  6. Step 6: Final answer
    x = 117,934,875,250.03

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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.