Home / 112,185,320.40-168,277,980.60-73,890,075.60

Finding the Fourth Proportional to 112,185,320.40, 168,277,980.60 and 73,890,075.60

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Solution

The fourth proportional to 112,185,320.40, 168,277,980.60 and 73,890,075.60 is: 110,835,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,185,320.40 : 168,277,980.60 = 73,890,075.60 : x
  2. Step 2: Convert to fraction form
    112,185,320.40/168,277,980.60 = 73,890,075.60/x
  3. Step 3: Cross multiply
    112,185,320.40x = 168,277,980.60 × 73,890,075.60
  4. Step 4: Simplify right side
    112,185,320.40x = 12,434,072,708,349,332
  5. Step 5: Solve for x
    x = 12,434,072,708,349,332/112,185,320.40
  6. Step 6: Final answer
    x = 110,835,113.40

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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.