Finding the Fourth Proportional to 165,804,580.10, 248,704,537.35 and 74,928,023.30
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Solution
The fourth proportional to 165,804,580.10, 248,704,537.35 and 74,928,023.30 is: 112,390,980.74
Step by Step Solution
- Step 1: Write the proportion equation
165,804,580.10 : 248,704,537.35 = 74,928,023.30 : x - Step 2: Convert to fraction form
165,804,580.10/248,704,537.35 = 74,928,023.30/x - Step 3: Cross multiply
165,804,580.10x = 248,704,537.35 × 74,928,023.30 - Step 4: Simplify right side
165,804,580.10x = 18,634,939,369,376,520 - Step 5: Solve for x
x = 18,634,939,369,376,520/165,804,580.10 - Step 6: Final answer
x = 112,390,980.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.