Home / 201,712,908,199.67-302,569,362,320.28-67,407,398,299.20

Finding the Fourth Proportional to 201,712,908,199.67, 302,569,362,320.28 and 67,407,398,299.20

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Solution

The fourth proportional to 201,712,908,199.67, 302,569,362,320.28 and 67,407,398,299.20 is: 101,111,097,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,712,908,199.67 : 302,569,362,320.28 = 67,407,398,299.20 : x
  2. Step 2: Convert to fraction form
    201,712,908,199.67/302,569,362,320.28 = 67,407,398,299.20/x
  3. Step 3: Cross multiply
    201,712,908,199.67x = 302,569,362,320.28 × 67,407,398,299.20
  4. Step 4: Simplify right side
    201,712,908,199.67x = 20,395,413,519,058,071,453,696
  5. Step 5: Solve for x
    x = 20,395,413,519,058,071,453,696/201,712,908,199.67
  6. Step 6: Final answer
    x = 101,111,097,455.74

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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.