Finding the Fourth Proportional to 153,784,337.04, 212,199,555.62 and 93,401,908.98
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Solution
The fourth proportional to 153,784,337.04, 212,199,555.62 and 93,401,908.98 is: 128,880,768.75
Step by Step Solution
- Step 1: Write the proportion equation
153,784,337.04 : 212,199,555.62 = 93,401,908.98 : x - Step 2: Convert to fraction form
153,784,337.04/212,199,555.62 = 93,401,908.98/x - Step 3: Cross multiply
153,784,337.04x = 212,199,555.62 × 93,401,908.98 - Step 4: Simplify right side
153,784,337.04x = 19,819,843,579,148,680 - Step 5: Solve for x
x = 19,819,843,579,148,680/153,784,337.04 - Step 6: Final answer
x = 128,880,768.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.