Home / 159,148,758,023.73-219,724,403,110.29-101,309,772,745.89

Finding the Fourth Proportional to 159,148,758,023.73, 219,724,403,110.29 and 101,309,772,745.89

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Solution

The fourth proportional to 159,148,758,023.73, 219,724,403,110.29 and 101,309,772,745.89 is: 139,870,581,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,148,758,023.73 : 219,724,403,110.29 = 101,309,772,745.89 : x
  2. Step 2: Convert to fraction form
    159,148,758,023.73/219,724,403,110.29 = 101,309,772,745.89/x
  3. Step 3: Cross multiply
    159,148,758,023.73x = 219,724,403,110.29 × 101,309,772,745.89
  4. Step 4: Simplify right side
    159,148,758,023.73x = 22,260,229,345,829,808,242,688
  5. Step 5: Solve for x
    x = 22,260,229,345,829,808,242,688/159,148,758,023.73
  6. Step 6: Final answer
    x = 139,870,581,600.84

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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.