Home / 190,837,376.57-286,092,117.06-66,323,827.85

Finding the Fourth Proportional to 190,837,376.57, 286,092,117.06 and 66,323,827.85

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Solution

The fourth proportional to 190,837,376.57, 286,092,117.06 and 66,323,827.85 is: 99,428,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,837,376.57 : 286,092,117.06 = 66,323,827.85 : x
  2. Step 2: Convert to fraction form
    190,837,376.57/286,092,117.06 = 66,323,827.85/x
  3. Step 3: Cross multiply
    190,837,376.57x = 286,092,117.06 × 66,323,827.85
  4. Step 4: Simplify right side
    190,837,376.57x = 18,974,724,319,699,028
  5. Step 5: Solve for x
    x = 18,974,724,319,699,028/190,837,376.57
  6. Step 6: Final answer
    x = 99,428,763.18

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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.