Finding the Fourth Proportional to 97,211,386,965.99, 134,148,801,670.15 and 53,809,450,856.18
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Solution
The fourth proportional to 97,211,386,965.99, 134,148,801,670.15 and 53,809,450,856.18 is: 74,255,430,111.39
Step by Step Solution
- Step 1: Write the proportion equation
97,211,386,965.99 : 134,148,801,670.15 = 53,809,450,856.18 : x - Step 2: Convert to fraction form
97,211,386,965.99/134,148,801,670.15 = 53,809,450,856.18/x - Step 3: Cross multiply
97,211,386,965.99x = 134,148,801,670.15 × 53,809,450,856.18 - Step 4: Simplify right side
97,211,386,965.99x = 7,218,473,350,884,703,076,352 - Step 5: Solve for x
x = 7,218,473,350,884,703,076,352/97,211,386,965.99 - Step 6: Final answer
x = 74,255,430,111.39
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1.5x scale
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.