Home / 130,854,205.59-180,575,693.36-71,317,381.58

Finding the Fourth Proportional to 130,854,205.59, 180,575,693.36 and 71,317,381.58

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Solution

The fourth proportional to 130,854,205.59, 180,575,693.36 and 71,317,381.58 is: 98,416,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,854,205.59 : 180,575,693.36 = 71,317,381.58 : x
  2. Step 2: Convert to fraction form
    130,854,205.59/180,575,693.36 = 71,317,381.58/x
  3. Step 3: Cross multiply
    130,854,205.59x = 180,575,693.36 × 71,317,381.58
  4. Step 4: Simplify right side
    130,854,205.59x = 12,878,185,626,168,726
  5. Step 5: Solve for x
    x = 12,878,185,626,168,726/130,854,205.59
  6. Step 6: Final answer
    x = 98,416,291.38

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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.