Finding the Fourth Proportional to 292,111,394.13, 403,113,810.68 and 158,149,283.72
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Solution
The fourth proportional to 292,111,394.13, 403,113,810.68 and 158,149,283.72 is: 218,246,058.52
Step by Step Solution
- Step 1: Write the proportion equation
292,111,394.13 : 403,113,810.68 = 158,149,283.72 : x - Step 2: Convert to fraction form
292,111,394.13/403,113,810.68 = 158,149,283.72/x - Step 3: Cross multiply
292,111,394.13x = 403,113,810.68 × 158,149,283.72 - Step 4: Simplify right side
292,111,394.13x = 63,752,160,417,209,584 - Step 5: Solve for x
x = 63,752,160,417,209,584/292,111,394.13 - Step 6: Final answer
x = 218,246,058.52
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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.