Home / 169,803,001.20-254,704,501.80-72,742,191.60

Finding the Fourth Proportional to 169,803,001.20, 254,704,501.80 and 72,742,191.60

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Solution

The fourth proportional to 169,803,001.20, 254,704,501.80 and 72,742,191.60 is: 109,113,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803,001.20 : 254,704,501.80 = 72,742,191.60 : x
  2. Step 2: Convert to fraction form
    169,803,001.20/254,704,501.80 = 72,742,191.60/x
  3. Step 3: Cross multiply
    169,803,001.20x = 254,704,501.80 × 72,742,191.60
  4. Step 4: Simplify right side
    169,803,001.20x = 18,527,763,671,318,144
  5. Step 5: Solve for x
    x = 18,527,763,671,318,144/169,803,001.20
  6. Step 6: Final answer
    x = 109,113,287.40

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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.