Finding the Fourth Proportional to 75,779,580.69, 113,620,498.74 and 29,726,103.06
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Solution
The fourth proportional to 75,779,580.69, 113,620,498.74 and 29,726,103.06 is: 44,569,983.42
Step by Step Solution
- Step 1: Write the proportion equation
75,779,580.69 : 113,620,498.74 = 29,726,103.06 : x - Step 2: Convert to fraction form
75,779,580.69/113,620,498.74 = 29,726,103.06/x - Step 3: Cross multiply
75,779,580.69x = 113,620,498.74 × 29,726,103.06 - Step 4: Simplify right side
75,779,580.69x = 3,377,494,655,273,840 - Step 5: Solve for x
x = 3,377,494,655,273,840/75,779,580.69 - Step 6: Final answer
x = 44,569,983.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.