Finding the Fourth Proportional to 257,266,814.20, 385,817,290.24 and 84,702,541.48
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Solution
The fourth proportional to 257,266,814.20, 385,817,290.24 and 84,702,541.48 is: 127,026,507.99
Step by Step Solution
- Step 1: Write the proportion equation
257,266,814.20 : 385,817,290.24 = 84,702,541.48 : x - Step 2: Convert to fraction form
257,266,814.20/385,817,290.24 = 84,702,541.48/x - Step 3: Cross multiply
257,266,814.20x = 385,817,290.24 × 84,702,541.48 - Step 4: Simplify right side
257,266,814.20x = 32,679,705,030,254,800 - Step 5: Solve for x
x = 32,679,705,030,254,800/257,266,814.20 - Step 6: Final answer
x = 127,026,507.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.