Finding the Fourth Proportional to 75,636,278.96, 104,375,309.27 and 42,144,027.53
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Solution
The fourth proportional to 75,636,278.96, 104,375,309.27 and 42,144,027.53 is: 58,157,222.53
Step by Step Solution
- Step 1: Write the proportion equation
75,636,278.96 : 104,375,309.27 = 42,144,027.53 : x - Step 2: Convert to fraction form
75,636,278.96/104,375,309.27 = 42,144,027.53/x - Step 3: Cross multiply
75,636,278.96x = 104,375,309.27 × 42,144,027.53 - Step 4: Simplify right side
75,636,278.96x = 4,398,795,906,594,547.50 - Step 5: Solve for x
x = 4,398,795,906,594,547.50/75,636,278.96 - Step 6: Final answer
x = 58,157,222.53
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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.