Home / 163,376,463.20-245,064,694.80-86,660,002.40

Finding the Fourth Proportional to 163,376,463.20, 245,064,694.80 and 86,660,002.40

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Solution

The fourth proportional to 163,376,463.20, 245,064,694.80 and 86,660,002.40 is: 129,990,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,376,463.20 : 245,064,694.80 = 86,660,002.40 : x
  2. Step 2: Convert to fraction form
    163,376,463.20/245,064,694.80 = 86,660,002.40/x
  3. Step 3: Cross multiply
    163,376,463.20x = 245,064,694.80 × 86,660,002.40
  4. Step 4: Simplify right side
    163,376,463.20x = 21,237,307,039,523,272
  5. Step 5: Solve for x
    x = 21,237,307,039,523,272/163,376,463.20
  6. Step 6: Final answer
    x = 129,990,003.60

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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.