Finding the Fourth Proportional to 93,361,428.56, 128,838,949.74 and 51,545,574.80
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Solution
The fourth proportional to 93,361,428.56, 128,838,949.74 and 51,545,574.80 is: 71,132,991.68
Step by Step Solution
- Step 1: Write the proportion equation
93,361,428.56 : 128,838,949.74 = 51,545,574.80 : x - Step 2: Convert to fraction form
93,361,428.56/128,838,949.74 = 51,545,574.80/x - Step 3: Cross multiply
93,361,428.56x = 128,838,949.74 × 51,545,574.80 - Step 4: Simplify right side
93,361,428.56x = 6,641,077,720,976,610 - Step 5: Solve for x
x = 6,641,077,720,976,610/93,361,428.56 - Step 6: Final answer
x = 71,132,991.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.