Home / 130,880,354,493.51-196,377,226,035.30-70,303,948,871.20

Finding the Fourth Proportional to 130,880,354,493.51, 196,377,226,035.30 and 70,303,948,871.20

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Solution

The fourth proportional to 130,880,354,493.51, 196,377,226,035.30 and 70,303,948,871.20 is: 105,486,377,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,880,354,493.51 : 196,377,226,035.30 = 70,303,948,871.20 : x
  2. Step 2: Convert to fraction form
    130,880,354,493.51/196,377,226,035.30 = 70,303,948,871.20/x
  3. Step 3: Cross multiply
    130,880,354,493.51x = 196,377,226,035.30 × 70,303,948,871.20
  4. Step 4: Simplify right side
    130,880,354,493.51x = 13,806,094,458,652,834,398,208
  5. Step 5: Solve for x
    x = 13,806,094,458,652,834,398,208/130,880,354,493.51
  6. Step 6: Final answer
    x = 105,486,377,325.92

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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.