Home / 125,301,118,615.80-172,915,562,343.40-68,208,862,529.68

Finding the Fourth Proportional to 125,301,118,615.80, 172,915,562,343.40 and 68,208,862,529.68

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Solution

The fourth proportional to 125,301,118,615.80, 172,915,562,343.40 and 68,208,862,529.68 is: 94,128,240,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301,118,615.80 : 172,915,562,343.40 = 68,208,862,529.68 : x
  2. Step 2: Convert to fraction form
    125,301,118,615.80/172,915,562,343.40 = 68,208,862,529.68/x
  3. Step 3: Cross multiply
    125,301,118,615.80x = 172,915,562,343.40 × 68,208,862,529.68
  4. Step 4: Simplify right side
    125,301,118,615.80x = 11,794,373,821,123,281,289,216
  5. Step 5: Solve for x
    x = 11,794,373,821,123,281,289,216/125,301,118,615.80
  6. Step 6: Final answer
    x = 94,128,240,445.22

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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.