Home / 147,564,008.20-221,346,012.30-45,333,130.60

Finding the Fourth Proportional to 147,564,008.20, 221,346,012.30 and 45,333,130.60

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Solution

The fourth proportional to 147,564,008.20, 221,346,012.30 and 45,333,130.60 is: 67,999,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,564,008.20 : 221,346,012.30 = 45,333,130.60 : x
  2. Step 2: Convert to fraction form
    147,564,008.20/221,346,012.30 = 45,333,130.60/x
  3. Step 3: Cross multiply
    147,564,008.20x = 221,346,012.30 × 45,333,130.60
  4. Step 4: Simplify right side
    147,564,008.20x = 10,034,307,683,385,108
  5. Step 5: Solve for x
    x = 10,034,307,683,385,108/147,564,008.20
  6. Step 6: Final answer
    x = 67,999,695.90

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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.