Home / 118,665,577,985.40-177,998,366,978.10-40,148,358,881.40

Finding the Fourth Proportional to 118,665,577,985.40, 177,998,366,978.10 and 40,148,358,881.40

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Solution

The fourth proportional to 118,665,577,985.40, 177,998,366,978.10 and 40,148,358,881.40 is: 60,222,538,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665,577,985.40 : 177,998,366,978.10 = 40,148,358,881.40 : x
  2. Step 2: Convert to fraction form
    118,665,577,985.40/177,998,366,978.10 = 40,148,358,881.40/x
  3. Step 3: Cross multiply
    118,665,577,985.40x = 177,998,366,978.10 × 40,148,358,881.40
  4. Step 4: Simplify right side
    118,665,577,985.40x = 7,146,342,317,739,898,568,704
  5. Step 5: Solve for x
    x = 7,146,342,317,739,898,568,704/118,665,577,985.40
  6. Step 6: Final answer
    x = 60,222,538,322.10

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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.