Finding the Fourth Proportional to 129,392,256,124.16, 194,109,239,981.40 and 39,855,207,881.52
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Solution
The fourth proportional to 129,392,256,124.16, 194,109,239,981.40 and 39,855,207,881.52 is: 59,789,235,792.90
Step by Step Solution
- Step 1: Write the proportion equation
129,392,256,124.16 : 194,109,239,981.40 = 39,855,207,881.52 : x - Step 2: Convert to fraction form
129,392,256,124.16/194,109,239,981.40 = 39,855,207,881.52/x - Step 3: Cross multiply
129,392,256,124.16x = 194,109,239,981.40 × 39,855,207,881.52 - Step 4: Simplify right side
129,392,256,124.16x = 7,736,264,111,182,549,352,448 - Step 5: Solve for x
x = 7,736,264,111,182,549,352,448/129,392,256,124.16 - Step 6: Final answer
x = 59,789,235,792.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.