Finding the Fourth Proportional to 103,242,592.84, 142,476,590.04 and 56,201,018.80
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Solution
The fourth proportional to 103,242,592.84, 142,476,590.04 and 56,201,018.80 is: 77,558,392.28
Step by Step Solution
- Step 1: Write the proportion equation
103,242,592.84 : 142,476,590.04 = 56,201,018.80 : x - Step 2: Convert to fraction form
103,242,592.84/142,476,590.04 = 56,201,018.80/x - Step 3: Cross multiply
103,242,592.84x = 142,476,590.04 × 56,201,018.80 - Step 4: Simplify right side
103,242,592.84x = 8,007,329,515,397,932 - Step 5: Solve for x
x = 8,007,329,515,397,932/103,242,592.84 - Step 6: Final answer
x = 77,558,392.28
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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.