Finding the Fourth Proportional to 72,130,833,888.99, 99,499,194,733.05 and 44,986,983,141.98
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Solution
The fourth proportional to 72,130,833,888.99, 99,499,194,733.05 and 44,986,983,141.98 is: 62,056,243,561.31
Step by Step Solution
- Step 1: Write the proportion equation
72,130,833,888.99 : 99,499,194,733.05 = 44,986,983,141.98 : x - Step 2: Convert to fraction form
72,130,833,888.99/99,499,194,733.05 = 44,986,983,141.98/x - Step 3: Cross multiply
72,130,833,888.99x = 99,499,194,733.05 × 44,986,983,141.98 - Step 4: Simplify right side
72,130,833,888.99x = 4,476,168,596,095,808,045,056 - Step 5: Solve for x
x = 4,476,168,596,095,808,045,056/72,130,833,888.99 - Step 6: Final answer
x = 62,056,243,561.31
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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.