Home / 190,152,380.43-285,334,547.81-102,712,135.23

Finding the Fourth Proportional to 190,152,380.43, 285,334,547.81 and 102,712,135.23

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Solution

The fourth proportional to 190,152,380.43, 285,334,547.81 and 102,712,135.23 is: 154,125,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,152,380.43 : 285,334,547.81 = 102,712,135.23 : x
  2. Step 2: Convert to fraction form
    190,152,380.43/285,334,547.81 = 102,712,135.23/x
  3. Step 3: Cross multiply
    190,152,380.43x = 285,334,547.81 × 102,712,135.23
  4. Step 4: Simplify right side
    190,152,380.43x = 29,307,320,659,938,060
  5. Step 5: Solve for x
    x = 29,307,320,659,938,060/190,152,380.43
  6. Step 6: Final answer
    x = 154,125,447.15

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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.