Finding the Fourth Proportional to 290,020,342.98, 435,026,254.99 and 71,670,679.19
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Solution
The fourth proportional to 290,020,342.98, 435,026,254.99 and 71,670,679.19 is: 107,504,966.17
Step by Step Solution
- Step 1: Write the proportion equation
290,020,342.98 : 435,026,254.99 = 71,670,679.19 : x - Step 2: Convert to fraction form
290,020,342.98/435,026,254.99 = 71,670,679.19/x - Step 3: Cross multiply
290,020,342.98x = 435,026,254.99 × 71,670,679.19 - Step 4: Simplify right side
290,020,342.98x = 31,178,627,160,615,428 - Step 5: Solve for x
x = 31,178,627,160,615,428/290,020,342.98 - Step 6: Final answer
x = 107,504,966.17
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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.