Home / 201,798,001.10-302,697,001.65-191,720,305.10

Finding the Fourth Proportional to 201,798,001.10, 302,697,001.65 and 191,720,305.10

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Solution

The fourth proportional to 201,798,001.10, 302,697,001.65 and 191,720,305.10 is: 287,580,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,798,001.10 : 302,697,001.65 = 191,720,305.10 : x
  2. Step 2: Convert to fraction form
    201,798,001.10/302,697,001.65 = 191,720,305.10/x
  3. Step 3: Cross multiply
    201,798,001.10x = 302,697,001.65 × 191,720,305.10
  4. Step 4: Simplify right side
    201,798,001.10x = 58,033,161,509,193,200
  5. Step 5: Solve for x
    x = 58,033,161,509,193,200/201,798,001.10
  6. Step 6: Final answer
    x = 287,580,457.65

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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.