Finding the Fourth Proportional to 85,636,761.84, 118,178,848.26 and 46,478,539.26
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Solution
The fourth proportional to 85,636,761.84, 118,178,848.26 and 46,478,539.26 is: 64,140,447.64
Step by Step Solution
- Step 1: Write the proportion equation
85,636,761.84 : 118,178,848.26 = 46,478,539.26 : x - Step 2: Convert to fraction form
85,636,761.84/118,178,848.26 = 46,478,539.26/x - Step 3: Cross multiply
85,636,761.84x = 118,178,848.26 × 46,478,539.26 - Step 4: Simplify right side
85,636,761.84x = 5,492,780,238,553,993 - Step 5: Solve for x
x = 5,492,780,238,553,993/85,636,761.84 - Step 6: Final answer
x = 64,140,447.64
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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.