Finding the Fourth Proportional to 153,749,044.95, 230,681,368.56 and 91,536,257.29
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Solution
The fourth proportional to 153,749,044.95, 230,681,368.56 and 91,536,257.29 is: 137,338,798.50
Step by Step Solution
- Step 1: Write the proportion equation
153,749,044.95 : 230,681,368.56 = 91,536,257.29 : x - Step 2: Convert to fraction form
153,749,044.95/230,681,368.56 = 91,536,257.29/x - Step 3: Cross multiply
153,749,044.95x = 230,681,368.56 × 91,536,257.29 - Step 4: Simplify right side
153,749,044.95x = 21,115,709,104,517,480 - Step 5: Solve for x
x = 21,115,709,104,517,480/153,749,044.95 - Step 6: Final answer
x = 137,338,798.50
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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.