Finding the Fourth Proportional to 124,375,264.47, 171,638,466.18 and 68,620,681.08
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Solution
The fourth proportional to 124,375,264.47, 171,638,466.18 and 68,620,681.08 is: 94,696,871.59
Step by Step Solution
- Step 1: Write the proportion equation
124,375,264.47 : 171,638,466.18 = 68,620,681.08 : x - Step 2: Convert to fraction form
124,375,264.47/171,638,466.18 = 68,620,681.08/x - Step 3: Cross multiply
124,375,264.47x = 171,638,466.18 × 68,620,681.08 - Step 4: Simplify right side
124,375,264.47x = 11,777,948,448,798,146 - Step 5: Solve for x
x = 11,777,948,448,798,146/124,375,264.47 - Step 6: Final answer
x = 94,696,871.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.