Home / 130,832,237.36-180,549,698.38-72,097,004.43

Finding the Fourth Proportional to 130,832,237.36, 180,549,698.38 and 72,097,004.43

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Solution

The fourth proportional to 130,832,237.36, 180,549,698.38 and 72,097,004.43 is: 99,494,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,237.36 : 180,549,698.38 = 72,097,004.43 : x
  2. Step 2: Convert to fraction form
    130,832,237.36/180,549,698.38 = 72,097,004.43/x
  3. Step 3: Cross multiply
    130,832,237.36x = 180,549,698.38 × 72,097,004.43
  4. Step 4: Simplify right side
    130,832,237.36x = 13,017,092,402,674,790
  5. Step 5: Solve for x
    x = 13,017,092,402,674,790/130,832,237.36
  6. Step 6: Final answer
    x = 99,494,533.35

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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.