Home / 130,902,848.15-180,644,477.74-75,149,602.47

Finding the Fourth Proportional to 130,902,848.15, 180,644,477.74 and 75,149,602.47

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Solution

The fourth proportional to 130,902,848.15, 180,644,477.74 and 75,149,602.47 is: 103,705,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,902,848.15 : 180,644,477.74 = 75,149,602.47 : x
  2. Step 2: Convert to fraction form
    130,902,848.15/180,644,477.74 = 75,149,602.47/x
  3. Step 3: Cross multiply
    130,902,848.15x = 180,644,477.74 × 75,149,602.47
  4. Step 4: Simplify right side
    130,902,848.15x = 13,575,360,690,373,890
  5. Step 5: Solve for x
    x = 13,575,360,690,373,890/130,902,848.15
  6. Step 6: Final answer
    x = 103,705,617.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.