Finding the Fourth Proportional to 257,931,451.44, 355,960,346.67 and 194,237,767.83
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Solution
The fourth proportional to 257,931,451.44, 355,960,346.67 and 194,237,767.83 is: 268,059,373.09
Step by Step Solution
- Step 1: Write the proportion equation
257,931,451.44 : 355,960,346.67 = 194,237,767.83 : x - Step 2: Convert to fraction form
257,931,451.44/355,960,346.67 = 194,237,767.83/x - Step 3: Cross multiply
257,931,451.44x = 355,960,346.67 × 194,237,767.83 - Step 4: Simplify right side
257,931,451.44x = 69,140,943,173,173,784 - Step 5: Solve for x
x = 69,140,943,173,173,784/257,931,451.44 - Step 6: Final answer
x = 268,059,373.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.