Home / 190,916,729.26-286,575,472.29-169,196,071.29

Finding the Fourth Proportional to 190,916,729.26, 286,575,472.29 and 169,196,071.29

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Solution

The fourth proportional to 190,916,729.26, 286,575,472.29 and 169,196,071.29 is: 253,971,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,916,729.26 : 286,575,472.29 = 169,196,071.29 : x
  2. Step 2: Convert to fraction form
    190,916,729.26/286,575,472.29 = 169,196,071.29/x
  3. Step 3: Cross multiply
    190,916,729.26x = 286,575,472.29 × 169,196,071.29
  4. Step 4: Simplify right side
    190,916,729.26x = 48,487,444,039,105,776
  5. Step 5: Solve for x
    x = 48,487,444,039,105,776/190,916,729.26
  6. Step 6: Final answer
    x = 253,971,688.22

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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.