Home / 112,806,671.40-169,210,007.10-74,459,215.80

Finding the Fourth Proportional to 112,806,671.40, 169,210,007.10 and 74,459,215.80

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Solution

The fourth proportional to 112,806,671.40, 169,210,007.10 and 74,459,215.80 is: 111,688,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,806,671.40 : 169,210,007.10 = 74,459,215.80 : x
  2. Step 2: Convert to fraction form
    112,806,671.40/169,210,007.10 = 74,459,215.80/x
  3. Step 3: Cross multiply
    112,806,671.40x = 169,210,007.10 × 74,459,215.80
  4. Step 4: Simplify right side
    112,806,671.40x = 12,599,244,434,178,432
  5. Step 5: Solve for x
    x = 12,599,244,434,178,432/112,806,671.40
  6. Step 6: Final answer
    x = 111,688,823.70

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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.