Finding the Fourth Proportional to 67,019,712.13, 92,494,691.75 and 40,572,637.91
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Solution
The fourth proportional to 67,019,712.13, 92,494,691.75 and 40,572,637.91 is: 55,994,774.03
Step by Step Solution
- Step 1: Write the proportion equation
67,019,712.13 : 92,494,691.75 = 40,572,637.91 : x - Step 2: Convert to fraction form
67,019,712.13/92,494,691.75 = 40,572,637.91/x - Step 3: Cross multiply
67,019,712.13x = 92,494,691.75 × 40,572,637.91 - Step 4: Simplify right side
67,019,712.13x = 3,752,753,636,304,478 - Step 5: Solve for x
x = 3,752,753,636,304,478/67,019,712.13 - Step 6: Final answer
x = 55,994,774.03
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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.