Finding the Fourth Proportional to 147,762,638.96, 221,691,800.28 and 71,075,688.08
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Solution
The fourth proportional to 147,762,638.96, 221,691,800.28 and 71,075,688.08 is: 106,636,544.65
Step by Step Solution
- Step 1: Write the proportion equation
147,762,638.96 : 221,691,800.28 = 71,075,688.08 : x - Step 2: Convert to fraction form
147,762,638.96/221,691,800.28 = 71,075,688.08/x - Step 3: Cross multiply
147,762,638.96x = 221,691,800.28 × 71,075,688.08 - Step 4: Simplify right side
147,762,638.96x = 15,756,897,246,594,936 - Step 5: Solve for x
x = 15,756,897,246,594,936/147,762,638.96 - Step 6: Final answer
x = 106,636,544.65
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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.