Finding the Fourth Proportional to 99,391,298.67, 136,855,795.32 and 99,104,320.53
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Solution
The fourth proportional to 99,391,298.67, 136,855,795.32 and 99,104,320.53 is: 136,460,643.81
Step by Step Solution
- Step 1: Write the proportion equation
99,391,298.67 : 136,855,795.32 = 99,104,320.53 : x - Step 2: Convert to fraction form
99,391,298.67/136,855,795.32 = 99,104,320.53/x - Step 3: Cross multiply
99,391,298.67x = 136,855,795.32 × 99,104,320.53 - Step 4: Simplify right side
99,391,298.67x = 13,563,000,605,781,354 - Step 5: Solve for x
x = 13,563,000,605,781,354/99,391,298.67 - Step 6: Final answer
x = 136,460,643.81
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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.