Home / 190,676,809.80-286,103,177.46-87,077,774.16

Finding the Fourth Proportional to 190,676,809.80, 286,103,177.46 and 87,077,774.16

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Solution

The fourth proportional to 190,676,809.80, 286,103,177.46 and 87,077,774.16 is: 130,656,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,676,809.80 : 286,103,177.46 = 87,077,774.16 : x
  2. Step 2: Convert to fraction form
    190,676,809.80/286,103,177.46 = 87,077,774.16/x
  3. Step 3: Cross multiply
    190,676,809.80x = 286,103,177.46 × 87,077,774.16
  4. Step 4: Simplify right side
    190,676,809.80x = 24,913,227,873,320,280
  5. Step 5: Solve for x
    x = 24,913,227,873,320,280/190,676,809.80
  6. Step 6: Final answer
    x = 130,656,831.84

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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.