Home / 190,678,972.76-286,021,116.44-54,364,356.26

Finding the Fourth Proportional to 190,678,972.76, 286,021,116.44 and 54,364,356.26

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Solution

The fourth proportional to 190,678,972.76, 286,021,116.44 and 54,364,356.26 is: 81,547,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,678,972.76 : 286,021,116.44 = 54,364,356.26 : x
  2. Step 2: Convert to fraction form
    190,678,972.76/286,021,116.44 = 54,364,356.26/x
  3. Step 3: Cross multiply
    190,678,972.76x = 286,021,116.44 × 54,364,356.26
  4. Step 4: Simplify right side
    190,678,972.76x = 15,549,353,870,325,176
  5. Step 5: Solve for x
    x = 15,549,353,870,325,176/190,678,972.76
  6. Step 6: Final answer
    x = 81,547,292.00

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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.