Home / 130,763,998.36-180,454,317.06-75,791,741.32

Finding the Fourth Proportional to 130,763,998.36, 180,454,317.06 and 75,791,741.32

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Solution

The fourth proportional to 130,763,998.36, 180,454,317.06 and 75,791,741.32 is: 104,592,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,763,998.36 : 180,454,317.06 = 75,791,741.32 : x
  2. Step 2: Convert to fraction form
    130,763,998.36/180,454,317.06 = 75,791,741.32/x
  3. Step 3: Cross multiply
    130,763,998.36x = 180,454,317.06 × 75,791,741.32
  4. Step 4: Simplify right side
    130,763,998.36x = 13,676,946,918,688,782
  5. Step 5: Solve for x
    x = 13,676,946,918,688,782/130,763,998.36
  6. Step 6: Final answer
    x = 104,592,602.63

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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.