Finding the Fourth Proportional to 310,439,814.12, 465,524,539.74 and 89,062,312.68
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Solution
The fourth proportional to 310,439,814.12, 465,524,539.74 and 89,062,312.68 is: 133,554,686.71
Step by Step Solution
- Step 1: Write the proportion equation
310,439,814.12 : 465,524,539.74 = 89,062,312.68 : x - Step 2: Convert to fraction form
310,439,814.12/465,524,539.74 = 89,062,312.68/x - Step 3: Cross multiply
310,439,814.12x = 465,524,539.74 × 89,062,312.68 - Step 4: Simplify right side
310,439,814.12x = 41,460,692,118,536,968 - Step 5: Solve for x
x = 41,460,692,118,536,968/310,439,814.12 - Step 6: Final answer
x = 133,554,686.71
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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.