Home / 147,744,493.65-221,616,740.48-139,808,308.05

Finding the Fourth Proportional to 147,744,493.65, 221,616,740.48 and 139,808,308.05

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Solution

The fourth proportional to 147,744,493.65, 221,616,740.48 and 139,808,308.05 is: 209,712,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,493.65 : 221,616,740.48 = 139,808,308.05 : x
  2. Step 2: Convert to fraction form
    147,744,493.65/221,616,740.48 = 139,808,308.05/x
  3. Step 3: Cross multiply
    147,744,493.65x = 221,616,740.48 × 139,808,308.05
  4. Step 4: Simplify right side
    147,744,493.65x = 30,983,861,521,365,704
  5. Step 5: Solve for x
    x = 30,983,861,521,365,704/147,744,493.65
  6. Step 6: Final answer
    x = 209,712,462.08

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1.5x scale

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.