Home / 163,369,808.20-245,054,712.30-42,201,260.20

Finding the Fourth Proportional to 163,369,808.20, 245,054,712.30 and 42,201,260.20

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Solution

The fourth proportional to 163,369,808.20, 245,054,712.30 and 42,201,260.20 is: 63,301,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,369,808.20 : 245,054,712.30 = 42,201,260.20 : x
  2. Step 2: Convert to fraction form
    163,369,808.20/245,054,712.30 = 42,201,260.20/x
  3. Step 3: Cross multiply
    163,369,808.20x = 245,054,712.30 × 42,201,260.20
  4. Step 4: Simplify right side
    163,369,808.20x = 10,341,617,677,008,442
  5. Step 5: Solve for x
    x = 10,341,617,677,008,442/163,369,808.20
  6. Step 6: Final answer
    x = 63,301,890.30

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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.