Finding the Fourth Proportional to 117,713,408.04, 162,352,476.18 and 76,473,587.88
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Solution
The fourth proportional to 117,713,408.04, 162,352,476.18 and 76,473,587.88 is: 105,473,765.15
Step by Step Solution
- Step 1: Write the proportion equation
117,713,408.04 : 162,352,476.18 = 76,473,587.88 : x - Step 2: Convert to fraction form
117,713,408.04/162,352,476.18 = 76,473,587.88/x - Step 3: Cross multiply
117,713,408.04x = 162,352,476.18 × 76,473,587.88 - Step 4: Simplify right side
117,713,408.04x = 12,415,676,354,686,836 - Step 5: Solve for x
x = 12,415,676,354,686,836/117,713,408.04 - Step 6: Final answer
x = 105,473,765.15
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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.