Home / 127,746,232.16-176,289,627.04-72,742,088.64

Finding the Fourth Proportional to 127,746,232.16, 176,289,627.04 and 72,742,088.64

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Solution

The fourth proportional to 127,746,232.16, 176,289,627.04 and 72,742,088.64 is: 100,383,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,232.16 : 176,289,627.04 = 72,742,088.64 : x
  2. Step 2: Convert to fraction form
    127,746,232.16/176,289,627.04 = 72,742,088.64/x
  3. Step 3: Cross multiply
    127,746,232.16x = 176,289,627.04 × 72,742,088.64
  4. Step 4: Simplify right side
    127,746,232.16x = 12,823,675,676,456,220
  5. Step 5: Solve for x
    x = 12,823,675,676,456,220/127,746,232.16
  6. Step 6: Final answer
    x = 100,383,983.62

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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.