Finding the Fourth Proportional to 138,035,274,988.05, 207,073,615,347.71 and 48,482,484,228.65
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Solution
The fourth proportional to 138,035,274,988.05, 207,073,615,347.71 and 48,482,484,228.65 is: 72,730,997,863.65
Step by Step Solution
- Step 1: Write the proportion equation
138,035,274,988.05 : 207,073,615,347.71 = 48,482,484,228.65 : x - Step 2: Convert to fraction form
138,035,274,988.05/207,073,615,347.71 = 48,482,484,228.65/x - Step 3: Cross multiply
138,035,274,988.05x = 207,073,615,347.71 × 48,482,484,228.65 - Step 4: Simplify right side
138,035,274,988.05x = 10,039,443,290,264,680,005,632 - Step 5: Solve for x
x = 10,039,443,290,264,680,005,632/138,035,274,988.05 - Step 6: Final answer
x = 72,730,997,863.65
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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.