Home / 190,636,549.08-286,051,401.30-86,994,268.92

Finding the Fourth Proportional to 190,636,549.08, 286,051,401.30 and 86,994,268.92

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Solution

The fourth proportional to 190,636,549.08, 286,051,401.30 and 86,994,268.92 is: 130,535,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,636,549.08 : 286,051,401.30 = 86,994,268.92 : x
  2. Step 2: Convert to fraction form
    190,636,549.08/286,051,401.30 = 86,994,268.92/x
  3. Step 3: Cross multiply
    190,636,549.08x = 286,051,401.30 × 86,994,268.92
  4. Step 4: Simplify right side
    190,636,549.08x = 24,884,832,529,635,040
  5. Step 5: Solve for x
    x = 24,884,832,529,635,040/190,636,549.08
  6. Step 6: Final answer
    x = 130,535,475.23

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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.