Home / 130,854,206.59-180,575,694.73-71,317,382.58

Finding the Fourth Proportional to 130,854,206.59, 180,575,694.73 and 71,317,382.58

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Solution

The fourth proportional to 130,854,206.59, 180,575,694.73 and 71,317,382.58 is: 98,416,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,854,206.59 : 180,575,694.73 = 71,317,382.58 : x
  2. Step 2: Convert to fraction form
    130,854,206.59/180,575,694.73 = 71,317,382.58/x
  3. Step 3: Cross multiply
    130,854,206.59x = 180,575,694.73 × 71,317,382.58
  4. Step 4: Simplify right side
    130,854,206.59x = 12,878,185,905,708,698
  5. Step 5: Solve for x
    x = 12,878,185,905,708,698/130,854,206.59
  6. Step 6: Final answer
    x = 98,416,292.77

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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.