Home / 163,743,603.60-245,615,405.40-87,216,099.60

Finding the Fourth Proportional to 163,743,603.60, 245,615,405.40 and 87,216,099.60

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Solution

The fourth proportional to 163,743,603.60, 245,615,405.40 and 87,216,099.60 is: 130,824,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,743,603.60 : 245,615,405.40 = 87,216,099.60 : x
  2. Step 2: Convert to fraction form
    163,743,603.60/245,615,405.40 = 87,216,099.60/x
  3. Step 3: Cross multiply
    163,743,603.60x = 245,615,405.40 × 87,216,099.60
  4. Step 4: Simplify right side
    163,743,603.60x = 21,421,617,660,660,776
  5. Step 5: Solve for x
    x = 21,421,617,660,660,776/163,743,603.60
  6. Step 6: Final answer
    x = 130,824,149.40

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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.