Finding the Fourth Proportional to 157,744,564.95, 217,683,489.19 and 88,130,468.65
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Solution
The fourth proportional to 157,744,564.95, 217,683,489.19 and 88,130,468.65 is: 121,617,806.14
Step by Step Solution
- Step 1: Write the proportion equation
157,744,564.95 : 217,683,489.19 = 88,130,468.65 : x - Step 2: Convert to fraction form
157,744,564.95/217,683,489.19 = 88,130,468.65/x - Step 3: Cross multiply
157,744,564.95x = 217,683,489.19 × 88,130,468.65 - Step 4: Simplify right side
157,744,564.95x = 19,184,547,919,681,908 - Step 5: Solve for x
x = 19,184,547,919,681,908/157,744,564.95 - Step 6: Final answer
x = 121,617,806.14
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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.