Finding the Fourth Proportional to 84,975,163,852.64, 117,318,648,199.51 and 54,092,873,594.75
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Solution
The fourth proportional to 84,975,163,852.64, 117,318,648,199.51 and 54,092,873,594.75 is: 74,681,854,316.49
Step by Step Solution
- Step 1: Write the proportion equation
84,975,163,852.64 : 117,318,648,199.51 = 54,092,873,594.75 : x - Step 2: Convert to fraction form
84,975,163,852.64/117,318,648,199.51 = 54,092,873,594.75/x - Step 3: Cross multiply
84,975,163,852.64x = 117,318,648,199.51 × 54,092,873,594.75 - Step 4: Simplify right side
84,975,163,852.64x = 6,346,102,807,363,038,740,480 - Step 5: Solve for x
x = 6,346,102,807,363,038,740,480/84,975,163,852.64 - Step 6: Final answer
x = 74,681,854,316.49
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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.