Finding the Fourth Proportional to 129,037,680,862.71, 193,523,506,681.90 and 38,257,869,666.09
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Solution
The fourth proportional to 129,037,680,862.71, 193,523,506,681.90 and 38,257,869,666.09 is: 57,377,016,127.86
Step by Step Solution
- Step 1: Write the proportion equation
129,037,680,862.71 : 193,523,506,681.90 = 38,257,869,666.09 : x - Step 2: Convert to fraction form
129,037,680,862.71/193,523,506,681.90 = 38,257,869,666.09/x - Step 3: Cross multiply
129,037,680,862.71x = 193,523,506,681.90 × 38,257,869,666.09 - Step 4: Simplify right side
129,037,680,862.71x = 7,403,797,095,961,408,307,200 - Step 5: Solve for x
x = 7,403,797,095,961,408,307,200/129,037,680,862.71 - Step 6: Final answer
x = 57,377,016,127.86
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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.