Finding the Fourth Proportional to 54,187,996.79, 74,779,474.56 and 29,408,177.06
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Solution
The fourth proportional to 54,187,996.79, 74,779,474.56 and 29,408,177.06 is: 40,583,305.50
Step by Step Solution
- Step 1: Write the proportion equation
54,187,996.79 : 74,779,474.56 = 29,408,177.06 : x - Step 2: Convert to fraction form
54,187,996.79/74,779,474.56 = 29,408,177.06/x - Step 3: Cross multiply
54,187,996.79x = 74,779,474.56 × 29,408,177.06 - Step 4: Simplify right side
54,187,996.79x = 2,199,128,028,314,245.50 - Step 5: Solve for x
x = 2,199,128,028,314,245.50/54,187,996.79 - Step 6: Final answer
x = 40,583,305.50
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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.