Finding the Fourth Proportional to 99,912,688.47, 149,636,232.02 and 97,154,509.68
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Solution
The fourth proportional to 99,912,688.47, 149,636,232.02 and 97,154,509.68 is: 145,505,390.51
Step by Step Solution
- Step 1: Write the proportion equation
99,912,688.47 : 149,636,232.02 = 97,154,509.68 : x - Step 2: Convert to fraction form
99,912,688.47/149,636,232.02 = 97,154,509.68/x - Step 3: Cross multiply
99,912,688.47x = 149,636,232.02 × 97,154,509.68 - Step 4: Simplify right side
99,912,688.47x = 14,537,834,752,508,704 - Step 5: Solve for x
x = 14,537,834,752,508,704/99,912,688.47 - Step 6: Final answer
x = 145,505,390.51
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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.