Home / 190,678,980.40-286,021,127.90-54,364,363.90

Finding the Fourth Proportional to 190,678,980.40, 286,021,127.90 and 54,364,363.90

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Solution

The fourth proportional to 190,678,980.40, 286,021,127.90 and 54,364,363.90 is: 81,547,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,678,980.40 : 286,021,127.90 = 54,364,363.90 : x
  2. Step 2: Convert to fraction form
    190,678,980.40/286,021,127.90 = 54,364,363.90/x
  3. Step 3: Cross multiply
    190,678,980.40x = 286,021,127.90 × 54,364,363.90
  4. Step 4: Simplify right side
    190,678,980.40x = 15,549,356,680,244,042
  5. Step 5: Solve for x
    x = 15,549,356,680,244,042/190,678,980.40
  6. Step 6: Final answer
    x = 81,547,303.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.