Home / 84,018,341,616.12-115,945,660,758.99-45,437,261,492.63

Finding the Fourth Proportional to 84,018,341,616.12, 115,945,660,758.99 and 45,437,261,492.63

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Solution

The fourth proportional to 84,018,341,616.12, 115,945,660,758.99 and 45,437,261,492.63 is: 62,703,609,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,341,616.12 : 115,945,660,758.99 = 45,437,261,492.63 : x
  2. Step 2: Convert to fraction form
    84,018,341,616.12/115,945,660,758.99 = 45,437,261,492.63/x
  3. Step 3: Cross multiply
    84,018,341,616.12x = 115,945,660,758.99 × 45,437,261,492.63
  4. Step 4: Simplify right side
    84,018,341,616.12x = 5,268,253,306,841,417,646,080
  5. Step 5: Solve for x
    x = 5,268,253,306,841,417,646,080/84,018,341,616.12
  6. Step 6: Final answer
    x = 62,703,609,777.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.