Finding the Fourth Proportional to 99,638,159.04, 149,463,541.92 and 42,119,709.12
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Solution
The fourth proportional to 99,638,159.04, 149,463,541.92 and 42,119,709.12 is: 63,182,228.28
Step by Step Solution
- Step 1: Write the proportion equation
99,638,159.04 : 149,463,541.92 = 42,119,709.12 : x - Step 2: Convert to fraction form
99,638,159.04/149,463,541.92 = 42,119,709.12/x - Step 3: Cross multiply
99,638,159.04x = 149,463,541.92 × 42,119,709.12 - Step 4: Simplify right side
99,638,159.04x = 6,295,360,909,715,325 - Step 5: Solve for x
x = 6,295,360,909,715,325/99,638,159.04 - Step 6: Final answer
x = 63,182,228.28
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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.