Home / 77,684,406,958.39-107,203,340,693.88-43,390,613,988.88

Finding the Fourth Proportional to 77,684,406,958.39, 107,203,340,693.88 and 43,390,613,988.88

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Solution

The fourth proportional to 77,684,406,958.39, 107,203,340,693.88 and 43,390,613,988.88 is: 59,878,410,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,406,958.39 : 107,203,340,693.88 = 43,390,613,988.88 : x
  2. Step 2: Convert to fraction form
    77,684,406,958.39/107,203,340,693.88 = 43,390,613,988.88/x
  3. Step 3: Cross multiply
    77,684,406,958.39x = 107,203,340,693.88 × 43,390,613,988.88
  4. Step 4: Simplify right side
    77,684,406,958.39x = 4,651,618,774,366,537,908,224
  5. Step 5: Solve for x
    x = 4,651,618,774,366,537,908,224/77,684,406,958.39
  6. Step 6: Final answer
    x = 59,878,410,050.27

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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.