Finding the Fourth Proportional to 136,500,938.05, 204,426,396.20 and 87,163,970.99
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Solution
The fourth proportional to 136,500,938.05, 204,426,396.20 and 87,163,970.99 is: 130,538,417.70
Step by Step Solution
- Step 1: Write the proportion equation
136,500,938.05 : 204,426,396.20 = 87,163,970.99 : x - Step 2: Convert to fraction form
136,500,938.05/204,426,396.20 = 87,163,970.99/x - Step 3: Cross multiply
136,500,938.05x = 204,426,396.20 × 87,163,970.99 - Step 4: Simplify right side
136,500,938.05x = 17,818,616,467,967,044 - Step 5: Solve for x
x = 17,818,616,467,967,044/136,500,938.05 - Step 6: Final answer
x = 130,538,417.70
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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.