Home / 74,252,514,704.19-102,468,481,345.76-40,420,066,653.15

Finding the Fourth Proportional to 74,252,514,704.19, 102,468,481,345.76 and 40,420,066,653.15

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Solution

The fourth proportional to 74,252,514,704.19, 102,468,481,345.76 and 40,420,066,653.15 is: 55,779,697,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252,514,704.19 : 102,468,481,345.76 = 40,420,066,653.15 : x
  2. Step 2: Convert to fraction form
    74,252,514,704.19/102,468,481,345.76 = 40,420,066,653.15/x
  3. Step 3: Cross multiply
    74,252,514,704.19x = 102,468,481,345.76 × 40,420,066,653.15
  4. Step 4: Simplify right side
    74,252,514,704.19x = 4,141,782,845,842,676,776,960
  5. Step 5: Solve for x
    x = 4,141,782,845,842,676,776,960/74,252,514,704.19
  6. Step 6: Final answer
    x = 55,779,697,998.69

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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.