Home / 269,688,918.02-404,547,310.98-85,475,967.06

Finding the Fourth Proportional to 269,688,918.02, 404,547,310.98 and 85,475,967.06

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Solution

The fourth proportional to 269,688,918.02, 404,547,310.98 and 85,475,967.06 is: 128,218,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688,918.02 : 404,547,310.98 = 85,475,967.06 : x
  2. Step 2: Convert to fraction form
    269,688,918.02/404,547,310.98 = 85,475,967.06/x
  3. Step 3: Cross multiply
    269,688,918.02x = 404,547,310.98 × 85,475,967.06
  4. Step 4: Simplify right side
    269,688,918.02x = 34,579,072,627,538,060
  5. Step 5: Solve for x
    x = 34,579,072,627,538,060/269,688,918.02
  6. Step 6: Final answer
    x = 128,218,366.86

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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.