Home / 163,960,643.40-245,940,965.10-42,792,095.40

Finding the Fourth Proportional to 163,960,643.40, 245,940,965.10 and 42,792,095.40

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Solution

The fourth proportional to 163,960,643.40, 245,940,965.10 and 42,792,095.40 is: 64,188,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960,643.40 : 245,940,965.10 = 42,792,095.40 : x
  2. Step 2: Convert to fraction form
    163,960,643.40/245,940,965.10 = 42,792,095.40/x
  3. Step 3: Cross multiply
    163,960,643.40x = 245,940,965.10 × 42,792,095.40
  4. Step 4: Simplify right side
    163,960,643.40x = 10,524,329,241,327,270
  5. Step 5: Solve for x
    x = 10,524,329,241,327,270/163,960,643.40
  6. Step 6: Final answer
    x = 64,188,143.10

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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.