Home / 111,875,735,483.22-154,417,240,464.75-72,865,493,480.67

Finding the Fourth Proportional to 111,875,735,483.22, 154,417,240,464.75 and 72,865,493,480.67

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Solution

The fourth proportional to 111,875,735,483.22, 154,417,240,464.75 and 72,865,493,480.67 is: 100,573,090,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,875,735,483.22 : 154,417,240,464.75 = 72,865,493,480.67 : x
  2. Step 2: Convert to fraction form
    111,875,735,483.22/154,417,240,464.75 = 72,865,493,480.67/x
  3. Step 3: Cross multiply
    111,875,735,483.22x = 154,417,240,464.75 × 72,865,493,480.67
  4. Step 4: Simplify right side
    111,875,735,483.22x = 11,251,688,428,387,291,889,664
  5. Step 5: Solve for x
    x = 11,251,688,428,387,291,889,664/111,875,735,483.22
  6. Step 6: Final answer
    x = 100,573,090,132.44

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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.