Finding the Fourth Proportional to 115,658,903.59, 159,608,357.08 and 62,735,479.63
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Solution
The fourth proportional to 115,658,903.59, 159,608,357.08 and 62,735,479.63 is: 86,574,457.51
Step by Step Solution
- Step 1: Write the proportion equation
115,658,903.59 : 159,608,357.08 = 62,735,479.63 : x - Step 2: Convert to fraction form
115,658,903.59/159,608,357.08 = 62,735,479.63/x - Step 3: Cross multiply
115,658,903.59x = 159,608,357.08 × 62,735,479.63 - Step 4: Simplify right side
115,658,903.59x = 10,013,106,834,370,108 - Step 5: Solve for x
x = 10,013,106,834,370,108/115,658,903.59 - Step 6: Final answer
x = 86,574,457.51
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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.