Finding the Fourth Proportional to 99,660,589,496.84, 137,532,471,036.36 and 56,843,240,259.08
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Solution
The fourth proportional to 99,660,589,496.84, 137,532,471,036.36 and 56,843,240,259.08 is: 78,444,160,665.86
Step by Step Solution
- Step 1: Write the proportion equation
99,660,589,496.84 : 137,532,471,036.36 = 56,843,240,259.08 : x - Step 2: Convert to fraction form
99,660,589,496.84/137,532,471,036.36 = 56,843,240,259.08/x - Step 3: Cross multiply
99,660,589,496.84x = 137,532,471,036.36 × 56,843,240,259.08 - Step 4: Simplify right side
99,660,589,496.84x = 7,817,791,294,544,772,333,568 - Step 5: Solve for x
x = 7,817,791,294,544,772,333,568/99,660,589,496.84 - Step 6: Final answer
x = 78,444,160,665.86
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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.