Home / 130,854,212.60-180,575,703.02-71,317,388.60

Finding the Fourth Proportional to 130,854,212.60, 180,575,703.02 and 71,317,388.60

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Solution

The fourth proportional to 130,854,212.60, 180,575,703.02 and 71,317,388.60 is: 98,416,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,854,212.60 : 180,575,703.02 = 71,317,388.60 : x
  2. Step 2: Convert to fraction form
    130,854,212.60/180,575,703.02 = 71,317,388.60/x
  3. Step 3: Cross multiply
    130,854,212.60x = 180,575,703.02 × 71,317,388.60
  4. Step 4: Simplify right side
    130,854,212.60x = 12,878,187,583,995,534
  5. Step 5: Solve for x
    x = 12,878,187,583,995,534/130,854,212.60
  6. Step 6: Final answer
    x = 98,416,301.07

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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.