Home / 120,170,918,459.76-180,218,107,055.76-39,477,891,430.32

Finding the Fourth Proportional to 120,170,918,459.76, 180,218,107,055.76 and 39,477,891,430.32

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Solution

The fourth proportional to 120,170,918,459.76, 180,218,107,055.76 and 39,477,891,430.32 is: 59,204,264,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,170,918,459.76 : 180,218,107,055.76 = 39,477,891,430.32 : x
  2. Step 2: Convert to fraction form
    120,170,918,459.76/180,218,107,055.76 = 39,477,891,430.32/x
  3. Step 3: Cross multiply
    120,170,918,459.76x = 180,218,107,055.76 × 39,477,891,430.32
  4. Step 4: Simplify right side
    120,170,918,459.76x = 7,114,630,864,125,080,633,344
  5. Step 5: Solve for x
    x = 7,114,630,864,125,080,633,344/120,170,918,459.76
  6. Step 6: Final answer
    x = 59,204,264,686.61

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1.5x scale

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.