Home / 56,050,919.12-77,350,316.52-31,271,109.80

Finding the Fourth Proportional to 56,050,919.12, 77,350,316.52 and 31,271,109.80

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Solution

The fourth proportional to 56,050,919.12, 77,350,316.52 and 31,271,109.80 is: 43,154,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050,919.12 : 77,350,316.52 = 31,271,109.80 : x
  2. Step 2: Convert to fraction form
    56,050,919.12/77,350,316.52 = 31,271,109.80/x
  3. Step 3: Cross multiply
    56,050,919.12x = 77,350,316.52 × 31,271,109.80
  4. Step 4: Simplify right side
    56,050,919.12x = 2,418,830,240,961,674
  5. Step 5: Solve for x
    x = 2,418,830,240,961,674/56,050,919.12
  6. Step 6: Final answer
    x = 43,154,158.38

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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.