Finding the Fourth Proportional to 233,918,028.01, 322,794,089.93 and 128,050,963.21
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Solution
The fourth proportional to 233,918,028.01, 322,794,089.93 and 128,050,963.21 is: 176,703,328.45
Step by Step Solution
- Step 1: Write the proportion equation
233,918,028.01 : 322,794,089.93 = 128,050,963.21 : x - Step 2: Convert to fraction form
233,918,028.01/322,794,089.93 = 128,050,963.21/x - Step 3: Cross multiply
233,918,028.01x = 322,794,089.93 × 128,050,963.21 - Step 4: Simplify right side
233,918,028.01x = 41,334,094,134,031,864 - Step 5: Solve for x
x = 41,334,094,134,031,864/233,918,028.01 - Step 6: Final answer
x = 176,703,328.45
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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.