Home / 130,832,238.80-180,549,700.36-72,097,005.86

Finding the Fourth Proportional to 130,832,238.80, 180,549,700.36 and 72,097,005.86

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Solution

The fourth proportional to 130,832,238.80, 180,549,700.36 and 72,097,005.86 is: 99,494,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,238.80 : 180,549,700.36 = 72,097,005.86 : x
  2. Step 2: Convert to fraction form
    130,832,238.80/180,549,700.36 = 72,097,005.86/x
  3. Step 3: Cross multiply
    130,832,238.80x = 180,549,700.36 × 72,097,005.86
  4. Step 4: Simplify right side
    130,832,238.80x = 13,017,092,805,147,294
  5. Step 5: Solve for x
    x = 13,017,092,805,147,294/130,832,238.80
  6. Step 6: Final answer
    x = 99,494,535.33

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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.