Home / 104,480,709.30-156,721,443.09-31,698,107.46

Finding the Fourth Proportional to 104,480,709.30, 156,721,443.09 and 31,698,107.46

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Solution

The fourth proportional to 104,480,709.30, 156,721,443.09 and 31,698,107.46 is: 47,547,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480,709.30 : 156,721,443.09 = 31,698,107.46 : x
  2. Step 2: Convert to fraction form
    104,480,709.30/156,721,443.09 = 31,698,107.46/x
  3. Step 3: Cross multiply
    104,480,709.30x = 156,721,443.09 × 31,698,107.46
  4. Step 4: Simplify right side
    104,480,709.30x = 4,967,773,144,353,095
  5. Step 5: Solve for x
    x = 4,967,773,144,353,095/104,480,709.30
  6. Step 6: Final answer
    x = 47,547,276.22

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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.