Finding the Fourth Proportional to 111,041,939,902.08, 153,237,877,065.12 and 63,518,359,918.08
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Solution
The fourth proportional to 111,041,939,902.08, 153,237,877,065.12 and 63,518,359,918.08 is: 87,655,336,687.09
Step by Step Solution
- Step 1: Write the proportion equation
111,041,939,902.08 : 153,237,877,065.12 = 63,518,359,918.08 : x - Step 2: Convert to fraction form
111,041,939,902.08/153,237,877,065.12 = 63,518,359,918.08/x - Step 3: Cross multiply
111,041,939,902.08x = 153,237,877,065.12 × 63,518,359,918.08 - Step 4: Simplify right side
111,041,939,902.08x = 9,733,418,628,504,788,926,464 - Step 5: Solve for x
x = 9,733,418,628,504,788,926,464/111,041,939,902.08 - Step 6: Final answer
x = 87,655,336,687.09
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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.