Home / 147,441,012.40-221,143,803.90-61,170,423.40

Finding the Fourth Proportional to 147,441,012.40, 221,143,803.90 and 61,170,423.40

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Solution

The fourth proportional to 147,441,012.40, 221,143,803.90 and 61,170,423.40 is: 91,748,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441,012.40 : 221,143,803.90 = 61,170,423.40 : x
  2. Step 2: Convert to fraction form
    147,441,012.40/221,143,803.90 = 61,170,423.40/x
  3. Step 3: Cross multiply
    147,441,012.40x = 221,143,803.90 × 61,170,423.40
  4. Step 4: Simplify right side
    147,441,012.40x = 13,527,460,116,849,572
  5. Step 5: Solve for x
    x = 13,527,460,116,849,572/147,441,012.40
  6. Step 6: Final answer
    x = 91,748,285.61

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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.