Home / 126,756,289,915.13-174,927,875,118.65-69,665,624,018.57

Finding the Fourth Proportional to 126,756,289,915.13, 174,927,875,118.65 and 69,665,624,018.57

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Solution

The fourth proportional to 126,756,289,915.13, 174,927,875,118.65 and 69,665,624,018.57 is: 96,140,866,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,756,289,915.13 : 174,927,875,118.65 = 69,665,624,018.57 : x
  2. Step 2: Convert to fraction form
    126,756,289,915.13/174,927,875,118.65 = 69,665,624,018.57/x
  3. Step 3: Cross multiply
    126,756,289,915.13x = 174,927,875,118.65 × 69,665,624,018.57
  4. Step 4: Simplify right side
    126,756,289,915.13x = 12,186,459,578,383,237,906,432
  5. Step 5: Solve for x
    x = 12,186,459,578,383,237,906,432/126,756,289,915.13
  6. Step 6: Final answer
    x = 96,140,866,749.43

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1.5x scale

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.