Home / 147,620,457.80-221,430,686.70-70,924,992.20

Finding the Fourth Proportional to 147,620,457.80, 221,430,686.70 and 70,924,992.20

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Solution

The fourth proportional to 147,620,457.80, 221,430,686.70 and 70,924,992.20 is: 106,387,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620,457.80 : 221,430,686.70 = 70,924,992.20 : x
  2. Step 2: Convert to fraction form
    147,620,457.80/221,430,686.70 = 70,924,992.20/x
  3. Step 3: Cross multiply
    147,620,457.80x = 221,430,686.70 × 70,924,992.20
  4. Step 4: Simplify right side
    147,620,457.80x = 15,704,969,727,038,144
  5. Step 5: Solve for x
    x = 15,704,969,727,038,144/147,620,457.80
  6. Step 6: Final answer
    x = 106,387,488.30

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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.