Home / 163,334,103.80-245,001,155.70-126,345,810.20

Finding the Fourth Proportional to 163,334,103.80, 245,001,155.70 and 126,345,810.20

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Solution

The fourth proportional to 163,334,103.80, 245,001,155.70 and 126,345,810.20 is: 189,518,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,334,103.80 : 245,001,155.70 = 126,345,810.20 : x
  2. Step 2: Convert to fraction form
    163,334,103.80/245,001,155.70 = 126,345,810.20/x
  3. Step 3: Cross multiply
    163,334,103.80x = 245,001,155.70 × 126,345,810.20
  4. Step 4: Simplify right side
    163,334,103.80x = 30,954,869,516,852,848
  5. Step 5: Solve for x
    x = 30,954,869,516,852,848/163,334,103.80
  6. Step 6: Final answer
    x = 189,518,715.30

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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.