Finding the Fourth Proportional to 72,046,788.14, 99,423,380.70 and 39,006,773.12
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Solution
The fourth proportional to 72,046,788.14, 99,423,380.70 and 39,006,773.12 is: 53,828,704.29
Step by Step Solution
- Step 1: Write the proportion equation
72,046,788.14 : 99,423,380.70 = 39,006,773.12 : x - Step 2: Convert to fraction form
72,046,788.14/99,423,380.70 = 39,006,773.12/x - Step 3: Cross multiply
72,046,788.14x = 99,423,380.70 × 39,006,773.12 - Step 4: Simplify right side
72,046,788.14x = 3,878,185,253,291,170 - Step 5: Solve for x
x = 3,878,185,253,291,170/72,046,788.14 - Step 6: Final answer
x = 53,828,704.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.