Home / 77,684,406,953.38-107,203,340,686.96-43,390,613,983.86

Finding the Fourth Proportional to 77,684,406,953.38, 107,203,340,686.96 and 43,390,613,983.86

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Solution

The fourth proportional to 77,684,406,953.38, 107,203,340,686.96 and 43,390,613,983.86 is: 59,878,410,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,406,953.38 : 107,203,340,686.96 = 43,390,613,983.86 : x
  2. Step 2: Convert to fraction form
    77,684,406,953.38/107,203,340,686.96 = 43,390,613,983.86/x
  3. Step 3: Cross multiply
    77,684,406,953.38x = 107,203,340,686.96 × 43,390,613,983.86
  4. Step 4: Simplify right side
    77,684,406,953.38x = 4,651,618,773,528,114,888,704
  5. Step 5: Solve for x
    x = 4,651,618,773,528,114,888,704/77,684,406,953.38
  6. Step 6: Final answer
    x = 59,878,410,043.34

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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.