Home / 130,887,726.63-180,635,860.89-75,143,904.45

Finding the Fourth Proportional to 130,887,726.63, 180,635,860.89 and 75,143,904.45

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Solution

The fourth proportional to 130,887,726.63, 180,635,860.89 and 75,143,904.45 is: 103,704,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,887,726.63 : 180,635,860.89 = 75,143,904.45 : x
  2. Step 2: Convert to fraction form
    130,887,726.63/180,635,860.89 = 75,143,904.45/x
  3. Step 3: Cross multiply
    130,887,726.63x = 180,635,860.89 × 75,143,904.45
  4. Step 4: Simplify right side
    130,887,726.63x = 13,573,683,870,961,652
  5. Step 5: Solve for x
    x = 13,573,683,870,961,652/130,887,726.63
  6. Step 6: Final answer
    x = 103,704,787.46

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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.