Home / 63,779,955.12-95,646,312.72-20,637,968.40

Finding the Fourth Proportional to 63,779,955.12, 95,646,312.72 and 20,637,968.40

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Solution

The fourth proportional to 63,779,955.12, 95,646,312.72 and 20,637,968.40 is: 30,949,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779,955.12 : 95,646,312.72 = 20,637,968.40 : x
  2. Step 2: Convert to fraction form
    63,779,955.12/95,646,312.72 = 20,637,968.40/x
  3. Step 3: Cross multiply
    63,779,955.12x = 95,646,312.72 × 20,637,968.40
  4. Step 4: Simplify right side
    63,779,955.12x = 1,973,945,579,491,878
  5. Step 5: Solve for x
    x = 1,973,945,579,491,878/63,779,955.12
  6. Step 6: Final answer
    x = 30,949,309.63

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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.