Home / 130,832,237.73-180,549,698.89-72,097,004.80

Finding the Fourth Proportional to 130,832,237.73, 180,549,698.89 and 72,097,004.80

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Solution

The fourth proportional to 130,832,237.73, 180,549,698.89 and 72,097,004.80 is: 99,494,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,237.73 : 180,549,698.89 = 72,097,004.80 : x
  2. Step 2: Convert to fraction form
    130,832,237.73/180,549,698.89 = 72,097,004.80/x
  3. Step 3: Cross multiply
    130,832,237.73x = 180,549,698.89 × 72,097,004.80
  4. Step 4: Simplify right side
    130,832,237.73x = 13,017,092,507,510,884
  5. Step 5: Solve for x
    x = 13,017,092,507,510,884/130,832,237.73
  6. Step 6: Final answer
    x = 99,494,533.87

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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.