Finding the Fourth Proportional to 180,526,896.16, 249,120,132.26 and 98,018,792.80
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Solution
The fourth proportional to 180,526,896.16, 249,120,132.26 and 98,018,792.80 is: 135,262,141.80
Step by Step Solution
- Step 1: Write the proportion equation
180,526,896.16 : 249,120,132.26 = 98,018,792.80 : x - Step 2: Convert to fraction form
180,526,896.16/249,120,132.26 = 98,018,792.80/x - Step 3: Cross multiply
180,526,896.16x = 249,120,132.26 × 98,018,792.80 - Step 4: Simplify right side
180,526,896.16x = 24,418,454,626,301,536 - Step 5: Solve for x
x = 24,418,454,626,301,536/180,526,896.16 - Step 6: Final answer
x = 135,262,141.80
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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.