Home / 115,249,989.46-159,043,116.54-63,038,568.40

Finding the Fourth Proportional to 115,249,989.46, 159,043,116.54 and 63,038,568.40

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Solution

The fourth proportional to 115,249,989.46, 159,043,116.54 and 63,038,568.40 is: 86,992,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,249,989.46 : 159,043,116.54 = 63,038,568.40 : x
  2. Step 2: Convert to fraction form
    115,249,989.46/159,043,116.54 = 63,038,568.40/x
  3. Step 3: Cross multiply
    115,249,989.46x = 159,043,116.54 × 63,038,568.40
  4. Step 4: Simplify right side
    115,249,989.46x = 10,025,850,380,555,960
  5. Step 5: Solve for x
    x = 10,025,850,380,555,960/115,249,989.46
  6. Step 6: Final answer
    x = 86,992,202.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.