Finding the Fourth Proportional to 353,636,178.12, 530,533,788.09 and 107,972,261.46
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Solution
The fourth proportional to 353,636,178.12, 530,533,788.09 and 107,972,261.46 is: 161,982,671.53
Step by Step Solution
- Step 1: Write the proportion equation
353,636,178.12 : 530,533,788.09 = 107,972,261.46 : x - Step 2: Convert to fraction form
353,636,178.12/530,533,788.09 = 107,972,261.46/x - Step 3: Cross multiply
353,636,178.12x = 530,533,788.09 × 107,972,261.46 - Step 4: Simplify right side
353,636,178.12x = 57,282,932,881,017,704 - Step 5: Solve for x
x = 57,282,932,881,017,704/353,636,178.12 - Step 6: Final answer
x = 161,982,671.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.