Finding the Fourth Proportional to 128,769,714,070.11, 193,175,552,558.65 and 38,020,303,727.91
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Solution
The fourth proportional to 128,769,714,070.11, 193,175,552,558.65 and 38,020,303,727.91 is: 57,036,650,536.38
Step by Step Solution
- Step 1: Write the proportion equation
128,769,714,070.11 : 193,175,552,558.65 = 38,020,303,727.91 : x - Step 2: Convert to fraction form
128,769,714,070.11/193,175,552,558.65 = 38,020,303,727.91/x - Step 3: Cross multiply
128,769,714,070.11x = 193,175,552,558.65 × 38,020,303,727.91 - Step 4: Simplify right side
128,769,714,070.11x = 7,344,593,181,086,714,953,728 - Step 5: Solve for x
x = 7,344,593,181,086,714,953,728/128,769,714,070.11 - Step 6: Final answer
x = 57,036,650,536.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.