Home / 130,258,347.52-179,759,090.48-71,520,498.76

Finding the Fourth Proportional to 130,258,347.52, 179,759,090.48 and 71,520,498.76

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Solution

The fourth proportional to 130,258,347.52, 179,759,090.48 and 71,520,498.76 is: 98,699,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,258,347.52 : 179,759,090.48 = 71,520,498.76 : x
  2. Step 2: Convert to fraction form
    130,258,347.52/179,759,090.48 = 71,520,498.76/x
  3. Step 3: Cross multiply
    130,258,347.52x = 179,759,090.48 × 71,520,498.76
  4. Step 4: Simplify right side
    130,258,347.52x = 12,856,459,807,773,568
  5. Step 5: Solve for x
    x = 12,856,459,807,773,568/130,258,347.52
  6. Step 6: Final answer
    x = 98,699,699.89

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1.5x scale

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.