Home / 112,303,701,581.32-154,995,741,828.02-71,107,910,363.72

Finding the Fourth Proportional to 112,303,701,581.32, 154,995,741,828.02 and 71,107,910,363.72

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Solution

The fourth proportional to 112,303,701,581.32, 154,995,741,828.02 and 71,107,910,363.72 is: 98,139,448,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,303,701,581.32 : 154,995,741,828.02 = 71,107,910,363.72 : x
  2. Step 2: Convert to fraction form
    112,303,701,581.32/154,995,741,828.02 = 71,107,910,363.72/x
  3. Step 3: Cross multiply
    112,303,701,581.32x = 154,995,741,828.02 × 71,107,910,363.72
  4. Step 4: Simplify right side
    112,303,701,581.32x = 11,021,423,316,665,131,597,824
  5. Step 5: Solve for x
    x = 11,021,423,316,665,131,597,824/112,303,701,581.32
  6. Step 6: Final answer
    x = 98,139,448,312.70

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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.