Finding the Fourth Proportional to 93,312,072.70, 139,968,109.05 and 70,637,256.70
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Solution
The fourth proportional to 93,312,072.70, 139,968,109.05 and 70,637,256.70 is: 105,955,885.05
Step by Step Solution
- Step 1: Write the proportion equation
93,312,072.70 : 139,968,109.05 = 70,637,256.70 : x - Step 2: Convert to fraction form
93,312,072.70/139,968,109.05 = 70,637,256.70/x - Step 3: Cross multiply
93,312,072.70x = 139,968,109.05 × 70,637,256.70 - Step 4: Simplify right side
93,312,072.70x = 9,886,963,248,778,444 - Step 5: Solve for x
x = 9,886,963,248,778,444/93,312,072.70 - Step 6: Final answer
x = 105,955,885.05
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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.