Home / 190,020,984.84-285,026,490.72-60,636,490.20

Finding the Fourth Proportional to 190,020,984.84, 285,026,490.72 and 60,636,490.20

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Solution

The fourth proportional to 190,020,984.84, 285,026,490.72 and 60,636,490.20 is: 90,953,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,020,984.84 : 285,026,490.72 = 60,636,490.20 : x
  2. Step 2: Convert to fraction form
    190,020,984.84/285,026,490.72 = 60,636,490.20/x
  3. Step 3: Cross multiply
    190,020,984.84x = 285,026,490.72 × 60,636,490.20
  4. Step 4: Simplify right side
    190,020,984.84x = 17,283,006,011,283,674
  5. Step 5: Solve for x
    x = 17,283,006,011,283,674/190,020,984.84
  6. Step 6: Final answer
    x = 90,953,144.07

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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.