Home / 189,721,988,457.03-284,572,507,563.09-138,722,547,275.85

Finding the Fourth Proportional to 189,721,988,457.03, 284,572,507,563.09 and 138,722,547,275.85

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Solution

The fourth proportional to 189,721,988,457.03, 284,572,507,563.09 and 138,722,547,275.85 is: 208,076,161,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,721,988,457.03 : 284,572,507,563.09 = 138,722,547,275.85 : x
  2. Step 2: Convert to fraction form
    189,721,988,457.03/284,572,507,563.09 = 138,722,547,275.85/x
  3. Step 3: Cross multiply
    189,721,988,457.03x = 284,572,507,563.09 × 138,722,547,275.85
  4. Step 4: Simplify right side
    189,721,988,457.03x = 39,476,623,133,827,936,550,912
  5. Step 5: Solve for x
    x = 39,476,623,133,827,936,550,912/189,721,988,457.03
  6. Step 6: Final answer
    x = 208,076,161,624.09

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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.