Finding the Fourth Proportional to 137,119,176.84, 205,570,545.12 and 67,984,312.68
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Solution
The fourth proportional to 137,119,176.84, 205,570,545.12 and 67,984,312.68 is: 101,922,812.98
Step by Step Solution
- Step 1: Write the proportion equation
137,119,176.84 : 205,570,545.12 = 67,984,312.68 : x - Step 2: Convert to fraction form
137,119,176.84/205,570,545.12 = 67,984,312.68/x - Step 3: Cross multiply
137,119,176.84x = 205,570,545.12 × 67,984,312.68 - Step 4: Simplify right side
137,119,176.84x = 13,975,572,217,236,130 - Step 5: Solve for x
x = 13,975,572,217,236,130/137,119,176.84 - Step 6: Final answer
x = 101,922,812.98
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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.