Home / 201,845,784.02-278,547,288.70-109,026,291.70

Finding the Fourth Proportional to 201,845,784.02, 278,547,288.70 and 109,026,291.70

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Solution

The fourth proportional to 201,845,784.02, 278,547,288.70 and 109,026,291.70 is: 150,456,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,784.02 : 278,547,288.70 = 109,026,291.70 : x
  2. Step 2: Convert to fraction form
    201,845,784.02/278,547,288.70 = 109,026,291.70/x
  3. Step 3: Cross multiply
    201,845,784.02x = 278,547,288.70 × 109,026,291.70
  4. Step 4: Simplify right side
    201,845,784.02x = 30,368,977,950,050,312
  5. Step 5: Solve for x
    x = 30,368,977,950,050,312/201,845,784.02
  6. Step 6: Final answer
    x = 150,456,340.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.