Finding the Fourth Proportional to 147,623,903.80, 221,435,855.70 and 147,623,903.80
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Solution
The fourth proportional to 147,623,903.80, 221,435,855.70 and 147,623,903.80 is: 221,435,855.70
Step by Step Solution
- Step 1: Write the proportion equation
147,623,903.80 : 221,435,855.70 = 147,623,903.80 : x - Step 2: Convert to fraction form
147,623,903.80/221,435,855.70 = 147,623,903.80/x - Step 3: Cross multiply
147,623,903.80x = 221,435,855.70 × 147,623,903.80 - Step 4: Simplify right side
147,623,903.80x = 32,689,225,459,727,484 - Step 5: Solve for x
x = 32,689,225,459,727,484/147,623,903.80 - Step 6: Final answer
x = 221,435,855.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.