Finding the Fourth Proportional to 240,592,395.12, 332,017,750.99 and 130,584,130.80
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Solution
The fourth proportional to 240,592,395.12, 332,017,750.99 and 130,584,130.80 is: 180,206,233.87
Step by Step Solution
- Step 1: Write the proportion equation
240,592,395.12 : 332,017,750.99 = 130,584,130.80 : x - Step 2: Convert to fraction form
240,592,395.12/332,017,750.99 = 130,584,130.80/x - Step 3: Cross multiply
240,592,395.12x = 332,017,750.99 × 130,584,130.80 - Step 4: Simplify right side
240,592,395.12x = 43,356,249,423,199,992 - Step 5: Solve for x
x = 43,356,249,423,199,992/240,592,395.12 - Step 6: Final answer
x = 180,206,233.87
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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.