Finding the Fourth Proportional to 70,742,609,225.95, 106,076,679,473.49 and 48,364,757,231.54
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Solution
The fourth proportional to 70,742,609,225.95, 106,076,679,473.49 and 48,364,757,231.54 is: 72,521,679,745.75
Step by Step Solution
- Step 1: Write the proportion equation
70,742,609,225.95 : 106,076,679,473.49 = 48,364,757,231.54 : x - Step 2: Convert to fraction form
70,742,609,225.95/106,076,679,473.49 = 48,364,757,231.54/x - Step 3: Cross multiply
70,742,609,225.95x = 106,076,679,473.49 × 48,364,757,231.54 - Step 4: Simplify right side
70,742,609,225.95x = 5,130,372,850,663,438,680,064 - Step 5: Solve for x
x = 5,130,372,850,663,438,680,064/70,742,609,225.95 - Step 6: Final answer
x = 72,521,679,745.75
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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.