Finding the Fourth Proportional to 97,103,434.10, 145,655,151.15 and 39,564,338.90
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Solution
The fourth proportional to 97,103,434.10, 145,655,151.15 and 39,564,338.90 is: 59,346,508.35
Step by Step Solution
- Step 1: Write the proportion equation
97,103,434.10 : 145,655,151.15 = 39,564,338.90 : x - Step 2: Convert to fraction form
97,103,434.10/145,655,151.15 = 39,564,338.90/x - Step 3: Cross multiply
97,103,434.10x = 145,655,151.15 × 39,564,338.90 - Step 4: Simplify right side
97,103,434.10x = 5,762,749,762,629,325 - Step 5: Solve for x
x = 5,762,749,762,629,325/97,103,434.10 - Step 6: Final answer
x = 59,346,508.35
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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.