Finding the Fourth Proportional to 108,748,937.70, 163,312,363.35 and 57,730,601.70
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Solution
The fourth proportional to 108,748,937.70, 163,312,363.35 and 57,730,601.70 is: 86,696,212.40
Step by Step Solution
- Step 1: Write the proportion equation
108,748,937.70 : 163,312,363.35 = 57,730,601.70 : x - Step 2: Convert to fraction form
108,748,937.70/163,312,363.35 = 57,730,601.70/x - Step 3: Cross multiply
108,748,937.70x = 163,312,363.35 × 57,730,601.70 - Step 4: Simplify right side
108,748,937.70x = 9,428,121,001,244,528 - Step 5: Solve for x
x = 9,428,121,001,244,528/108,748,937.70 - Step 6: Final answer
x = 86,696,212.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.