Finding the Fourth Proportional to 127,894,681,921.63, 176,487,668,816.38 and 70,011,864,242.23
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Solution
The fourth proportional to 127,894,681,921.63, 176,487,668,816.38 and 70,011,864,242.23 is: 96,612,544,977.99
Step by Step Solution
- Step 1: Write the proportion equation
127,894,681,921.63 : 176,487,668,816.38 = 70,011,864,242.23 : x - Step 2: Convert to fraction form
127,894,681,921.63/176,487,668,816.38 = 70,011,864,242.23/x - Step 3: Cross multiply
127,894,681,921.63x = 176,487,668,816.38 × 70,011,864,242.23 - Step 4: Simplify right side
127,894,681,921.63x = 12,356,230,709,599,163,908,096 - Step 5: Solve for x
x = 12,356,230,709,599,163,908,096/127,894,681,921.63 - Step 6: Final answer
x = 96,612,544,977.99
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1.5x scale
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.