Finding the Fourth Proportional to 253,442,618.84, 349,750,956.30 and 137,549,114.84
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Solution
The fourth proportional to 253,442,618.84, 349,750,956.30 and 137,549,114.84 is: 189,817,855.71
Step by Step Solution
- Step 1: Write the proportion equation
253,442,618.84 : 349,750,956.30 = 137,549,114.84 : x - Step 2: Convert to fraction form
253,442,618.84/349,750,956.30 = 137,549,114.84/x - Step 3: Cross multiply
253,442,618.84x = 349,750,956.30 × 137,549,114.84 - Step 4: Simplify right side
253,442,618.84x = 48,107,934,453,508,528 - Step 5: Solve for x
x = 48,107,934,453,508,528/253,442,618.84 - Step 6: Final answer
x = 189,817,855.71
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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.