Home / 155,909,880.80-233,864,821.20-112,071,903.20

Finding the Fourth Proportional to 155,909,880.80, 233,864,821.20 and 112,071,903.20

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Solution

The fourth proportional to 155,909,880.80, 233,864,821.20 and 112,071,903.20 is: 168,107,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,909,880.80 : 233,864,821.20 = 112,071,903.20 : x
  2. Step 2: Convert to fraction form
    155,909,880.80/233,864,821.20 = 112,071,903.20/x
  3. Step 3: Cross multiply
    155,909,880.80x = 233,864,821.20 × 112,071,903.20
  4. Step 4: Simplify right side
    155,909,880.80x = 26,209,675,603,411,708
  5. Step 5: Solve for x
    x = 26,209,675,603,411,708/155,909,880.80
  6. Step 6: Final answer
    x = 168,107,854.80

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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.