Home / 165,624,159.60-248,249,615.40-79,403,871.60

Finding the Fourth Proportional to 165,624,159.60, 248,249,615.40 and 79,403,871.60

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Solution

The fourth proportional to 165,624,159.60, 248,249,615.40 and 79,403,871.60 is: 119,016,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624,159.60 : 248,249,615.40 = 79,403,871.60 : x
  2. Step 2: Convert to fraction form
    165,624,159.60/248,249,615.40 = 79,403,871.60/x
  3. Step 3: Cross multiply
    165,624,159.60x = 248,249,615.40 × 79,403,871.60
  4. Step 4: Simplify right side
    165,624,159.60x = 19,711,980,585,970,980
  5. Step 5: Solve for x
    x = 19,711,980,585,970,980/165,624,159.60
  6. Step 6: Final answer
    x = 119,016,335.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.