Home / 169,130,011.60-253,695,017.40-128,819,227.60

Finding the Fourth Proportional to 169,130,011.60, 253,695,017.40 and 128,819,227.60

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Solution

The fourth proportional to 169,130,011.60, 253,695,017.40 and 128,819,227.60 is: 193,228,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,130,011.60 : 253,695,017.40 = 128,819,227.60 : x
  2. Step 2: Convert to fraction form
    169,130,011.60/253,695,017.40 = 128,819,227.60/x
  3. Step 3: Cross multiply
    169,130,011.60x = 253,695,017.40 × 128,819,227.60
  4. Step 4: Simplify right side
    169,130,011.60x = 32,680,796,187,436,560
  5. Step 5: Solve for x
    x = 32,680,796,187,436,560/169,130,011.60
  6. Step 6: Final answer
    x = 193,228,841.40

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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.