Finding the Fourth Proportional to 291,732,294.24, 402,585,829.07 and 159,572,134.74
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Solution
The fourth proportional to 291,732,294.24, 402,585,829.07 and 159,572,134.74 is: 220,206,954.90
Step by Step Solution
- Step 1: Write the proportion equation
291,732,294.24 : 402,585,829.07 = 159,572,134.74 : x - Step 2: Convert to fraction form
291,732,294.24/402,585,829.07 = 159,572,134.74/x - Step 3: Cross multiply
291,732,294.24x = 402,585,829.07 × 159,572,134.74 - Step 4: Simplify right side
291,732,294.24x = 64,241,480,159,974,792 - Step 5: Solve for x
x = 64,241,480,159,974,792/291,732,294.24 - Step 6: Final answer
x = 220,206,954.90
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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.