Finding the Fourth Proportional to 249,124,206.84, 373,696,693.92 and 85,474,528.85
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Solution
The fourth proportional to 249,124,206.84, 373,696,693.92 and 85,474,528.85 is: 128,215,355.90
Step by Step Solution
- Step 1: Write the proportion equation
249,124,206.84 : 373,696,693.92 = 85,474,528.85 : x - Step 2: Convert to fraction form
249,124,206.84/373,696,693.92 = 85,474,528.85/x - Step 3: Cross multiply
249,124,206.84x = 373,696,693.92 × 85,474,528.85 - Step 4: Simplify right side
249,124,206.84x = 31,941,548,843,746,176 - Step 5: Solve for x
x = 31,941,548,843,746,176/249,124,206.84 - Step 6: Final answer
x = 128,215,355.90
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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.