Home / 147,528,026.70-221,289,966.45-66,748,865.10

Finding the Fourth Proportional to 147,528,026.70, 221,289,966.45 and 66,748,865.10

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Solution

The fourth proportional to 147,528,026.70, 221,289,966.45 and 66,748,865.10 is: 100,122,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,528,026.70 : 221,289,966.45 = 66,748,865.10 : x
  2. Step 2: Convert to fraction form
    147,528,026.70/221,289,966.45 = 66,748,865.10/x
  3. Step 3: Cross multiply
    147,528,026.70x = 221,289,966.45 × 66,748,865.10
  4. Step 4: Simplify right side
    147,528,026.70x = 14,770,854,118,554,576
  5. Step 5: Solve for x
    x = 14,770,854,118,554,576/147,528,026.70
  6. Step 6: Final answer
    x = 100,122,359.45

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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.