Finding the Fourth Proportional to 157,471,994.10, 236,243,420.55 and 92,742,480.30
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Solution
The fourth proportional to 157,471,994.10, 236,243,420.55 and 92,742,480.30 is: 139,134,586.45
Step by Step Solution
- Step 1: Write the proportion equation
157,471,994.10 : 236,243,420.55 = 92,742,480.30 : x - Step 2: Convert to fraction form
157,471,994.10/236,243,420.55 = 92,742,480.30/x - Step 3: Cross multiply
157,471,994.10x = 236,243,420.55 × 92,742,480.30 - Step 4: Simplify right side
157,471,994.10x = 21,909,800,776,362,992 - Step 5: Solve for x
x = 21,909,800,776,362,992/157,471,994.10 - Step 6: Final answer
x = 139,134,586.45
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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.