Home / 130,764,048.32-180,454,386.24-75,791,791.36

Finding the Fourth Proportional to 130,764,048.32, 180,454,386.24 and 75,791,791.36

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Solution

The fourth proportional to 130,764,048.32, 180,454,386.24 and 75,791,791.36 is: 104,592,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,764,048.32 : 180,454,386.24 = 75,791,791.36 : x
  2. Step 2: Convert to fraction form
    130,764,048.32/180,454,386.24 = 75,791,791.36/x
  3. Step 3: Cross multiply
    130,764,048.32x = 180,454,386.24 × 75,791,791.36
  4. Step 4: Simplify right side
    130,764,048.32x = 13,676,961,191,898,936
  5. Step 5: Solve for x
    x = 13,676,961,191,898,936/130,764,048.32
  6. Step 6: Final answer
    x = 104,592,671.82

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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.