Finding the Fourth Proportional to 356,561,738.60, 534,842,607.90 and 97,803,115.70
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Solution
The fourth proportional to 356,561,738.60, 534,842,607.90 and 97,803,115.70 is: 146,704,673.55
Step by Step Solution
- Step 1: Write the proportion equation
356,561,738.60 : 534,842,607.90 = 97,803,115.70 : x - Step 2: Convert to fraction form
356,561,738.60/534,842,607.90 = 97,803,115.70/x - Step 3: Cross multiply
356,561,738.60x = 534,842,607.90 × 97,803,115.70 - Step 4: Simplify right side
356,561,738.60x = 52,309,273,461,733,432 - Step 5: Solve for x
x = 52,309,273,461,733,432/356,561,738.60 - Step 6: Final answer
x = 146,704,673.55
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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.