Home / 163,360,972.80-245,041,459.20-126,372,679.20

Finding the Fourth Proportional to 163,360,972.80, 245,041,459.20 and 126,372,679.20

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Solution

The fourth proportional to 163,360,972.80, 245,041,459.20 and 126,372,679.20 is: 189,559,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,360,972.80 : 245,041,459.20 = 126,372,679.20 : x
  2. Step 2: Convert to fraction form
    163,360,972.80/245,041,459.20 = 126,372,679.20/x
  3. Step 3: Cross multiply
    163,360,972.80x = 245,041,459.20 × 126,372,679.20
  4. Step 4: Simplify right side
    163,360,972.80x = 30,966,545,714,181,488
  5. Step 5: Solve for x
    x = 30,966,545,714,181,488/163,360,972.80
  6. Step 6: Final answer
    x = 189,559,018.80

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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.