Finding the Fourth Proportional to 130,011,756.57, 194,880,135.74 and 48,077,988.57
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Solution
The fourth proportional to 130,011,756.57, 194,880,135.74 and 48,077,988.57 is: 72,066,136.06
Step by Step Solution
- Step 1: Write the proportion equation
130,011,756.57 : 194,880,135.74 = 48,077,988.57 : x - Step 2: Convert to fraction form
130,011,756.57/194,880,135.74 = 48,077,988.57/x - Step 3: Cross multiply
130,011,756.57x = 194,880,135.74 × 48,077,988.57 - Step 4: Simplify right side
130,011,756.57x = 9,369,444,938,387,380 - Step 5: Solve for x
x = 9,369,444,938,387,380/130,011,756.57 - Step 6: Final answer
x = 72,066,136.06
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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.