Home / 112,101,017.60-168,151,526.40-31,321,985.60

Finding the Fourth Proportional to 112,101,017.60, 168,151,526.40 and 31,321,985.60

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Solution

The fourth proportional to 112,101,017.60, 168,151,526.40 and 31,321,985.60 is: 46,982,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,017.60 : 168,151,526.40 = 31,321,985.60 : x
  2. Step 2: Convert to fraction form
    112,101,017.60/168,151,526.40 = 31,321,985.60/x
  3. Step 3: Cross multiply
    112,101,017.60x = 168,151,526.40 × 31,321,985.60
  4. Step 4: Simplify right side
    112,101,017.60x = 5,266,839,688,518,820
  5. Step 5: Solve for x
    x = 5,266,839,688,518,820/112,101,017.60
  6. Step 6: Final answer
    x = 46,982,978.40

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1.5x scale

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.