Home / 77,684,406,955.38-107,203,340,689.72-43,390,613,985.86

Finding the Fourth Proportional to 77,684,406,955.38, 107,203,340,689.72 and 43,390,613,985.86

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Solution

The fourth proportional to 77,684,406,955.38, 107,203,340,689.72 and 43,390,613,985.86 is: 59,878,410,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,406,955.38 : 107,203,340,689.72 = 43,390,613,985.86 : x
  2. Step 2: Convert to fraction form
    77,684,406,955.38/107,203,340,689.72 = 43,390,613,985.86/x
  3. Step 3: Cross multiply
    77,684,406,955.38x = 107,203,340,689.72 × 43,390,613,985.86
  4. Step 4: Simplify right side
    77,684,406,955.38x = 4,651,618,773,862,279,282,688
  5. Step 5: Solve for x
    x = 4,651,618,773,862,279,282,688/77,684,406,955.38
  6. Step 6: Final answer
    x = 59,878,410,046.10

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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.