Home / 102,365,186.63-153,547,779.95-34,207,878.38

Finding the Fourth Proportional to 102,365,186.63, 153,547,779.95 and 34,207,878.38

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Solution

The fourth proportional to 102,365,186.63, 153,547,779.95 and 34,207,878.38 is: 51,311,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,365,186.63 : 153,547,779.95 = 34,207,878.38 : x
  2. Step 2: Convert to fraction form
    102,365,186.63/153,547,779.95 = 34,207,878.38/x
  3. Step 3: Cross multiply
    102,365,186.63x = 153,547,779.95 × 34,207,878.38
  4. Step 4: Simplify right side
    102,365,186.63x = 5,252,543,781,109,824
  5. Step 5: Solve for x
    x = 5,252,543,781,109,824/102,365,186.63
  6. Step 6: Final answer
    x = 51,311,817.57

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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.