Finding the Fourth Proportional to 83,781,681.18, 115,570,574.76 and 52,365,207.42
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Solution
The fourth proportional to 83,781,681.18, 115,570,574.76 and 52,365,207.42 is: 72,233,894.49
Step by Step Solution
- Step 1: Write the proportion equation
83,781,681.18 : 115,570,574.76 = 52,365,207.42 : x - Step 2: Convert to fraction form
83,781,681.18/115,570,574.76 = 52,365,207.42/x - Step 3: Cross multiply
83,781,681.18x = 115,570,574.76 × 52,365,207.42 - Step 4: Simplify right side
83,781,681.18x = 6,051,877,118,956,017 - Step 5: Solve for x
x = 6,051,877,118,956,017/83,781,681.18 - Step 6: Final answer
x = 72,233,894.49
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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.