Home / 188,459,968,499.89-260,074,402,368.71-102,820,992,256.85

Finding the Fourth Proportional to 188,459,968,499.89, 260,074,402,368.71 and 102,820,992,256.85

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Solution

The fourth proportional to 188,459,968,499.89, 260,074,402,368.71 and 102,820,992,256.85 is: 141,892,776,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,459,968,499.89 : 260,074,402,368.71 = 102,820,992,256.85 : x
  2. Step 2: Convert to fraction form
    188,459,968,499.89/260,074,402,368.71 = 102,820,992,256.85/x
  3. Step 3: Cross multiply
    188,459,968,499.89x = 260,074,402,368.71 × 102,820,992,256.85
  4. Step 4: Simplify right side
    188,459,968,499.89x = 26,741,108,112,158,021,910,528
  5. Step 5: Solve for x
    x = 26,741,108,112,158,021,910,528/188,459,968,499.89
  6. Step 6: Final answer
    x = 141,892,776,089.34

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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.