Finding the Fourth Proportional to 93,361,426.57, 128,838,946.97 and 51,545,572.79
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Solution
The fourth proportional to 93,361,426.57, 128,838,946.97 and 51,545,572.79 is: 71,132,988.89
Step by Step Solution
- Step 1: Write the proportion equation
93,361,426.57 : 128,838,946.97 = 51,545,572.79 : x - Step 2: Convert to fraction form
93,361,426.57/128,838,946.97 = 51,545,572.79/x - Step 3: Cross multiply
93,361,426.57x = 128,838,946.97 × 51,545,572.79 - Step 4: Simplify right side
93,361,426.57x = 6,641,077,319,229,085 - Step 5: Solve for x
x = 6,641,077,319,229,085/93,361,426.57 - Step 6: Final answer
x = 71,132,988.89
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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.