Finding the Fourth Proportional to 70,890,560.12, 97,829,060.64 and 38,295,512.12
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Solution
The fourth proportional to 70,890,560.12, 97,829,060.64 and 38,295,512.12 is: 52,847,854.09
Step by Step Solution
- Step 1: Write the proportion equation
70,890,560.12 : 97,829,060.64 = 38,295,512.12 : x - Step 2: Convert to fraction form
70,890,560.12/97,829,060.64 = 38,295,512.12/x - Step 3: Cross multiply
70,890,560.12x = 97,829,060.64 × 38,295,512.12 - Step 4: Simplify right side
70,890,560.12x = 3,746,413,977,427,334.50 - Step 5: Solve for x
x = 3,746,413,977,427,334.50/70,890,560.12 - Step 6: Final answer
x = 52,847,854.09
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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.