Finding the Fourth Proportional to 74,356,158.36, 102,613,808.29 and 40,865,029.74
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Solution
The fourth proportional to 74,356,158.36, 102,613,808.29 and 40,865,029.74 is: 56,395,010.44
Step by Step Solution
- Step 1: Write the proportion equation
74,356,158.36 : 102,613,808.29 = 40,865,029.74 : x - Step 2: Convert to fraction form
74,356,158.36/102,613,808.29 = 40,865,029.74/x - Step 3: Cross multiply
74,356,158.36x = 102,613,808.29 × 40,865,029.74 - Step 4: Simplify right side
74,356,158.36x = 4,193,316,327,480,172.50 - Step 5: Solve for x
x = 4,193,316,327,480,172.50/74,356,158.36 - Step 6: Final answer
x = 56,395,010.44
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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.