Home / 142,692,127.20-214,038,190.80-97,342,495.20

Finding the Fourth Proportional to 142,692,127.20, 214,038,190.80 and 97,342,495.20

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Solution

The fourth proportional to 142,692,127.20, 214,038,190.80 and 97,342,495.20 is: 146,013,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,692,127.20 : 214,038,190.80 = 97,342,495.20 : x
  2. Step 2: Convert to fraction form
    142,692,127.20/214,038,190.80 = 97,342,495.20/x
  3. Step 3: Cross multiply
    142,692,127.20x = 214,038,190.80 × 97,342,495.20
  4. Step 4: Simplify right side
    142,692,127.20x = 20,835,011,560,565,684
  5. Step 5: Solve for x
    x = 20,835,011,560,565,684/142,692,127.20
  6. Step 6: Final answer
    x = 146,013,742.80

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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.