Home / 104,312,862.02-156,405,520.10-49,742,138.18

Finding the Fourth Proportional to 104,312,862.02, 156,405,520.10 and 49,742,138.18

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Solution

The fourth proportional to 104,312,862.02, 156,405,520.10 and 49,742,138.18 is: 74,582,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,312,862.02 : 156,405,520.10 = 49,742,138.18 : x
  2. Step 2: Convert to fraction form
    104,312,862.02/156,405,520.10 = 49,742,138.18/x
  3. Step 3: Cross multiply
    104,312,862.02x = 156,405,520.10 × 49,742,138.18
  4. Step 4: Simplify right side
    104,312,862.02x = 7,779,944,992,928,967
  5. Step 5: Solve for x
    x = 7,779,944,992,928,967/104,312,862.02
  6. Step 6: Final answer
    x = 74,582,796.81

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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.