Home / 145,097,143.20-217,639,635.30-46,726,672.40

Finding the Fourth Proportional to 145,097,143.20, 217,639,635.30 and 46,726,672.40

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Solution

The fourth proportional to 145,097,143.20, 217,639,635.30 and 46,726,672.40 is: 70,088,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,097,143.20 : 217,639,635.30 = 46,726,672.40 : x
  2. Step 2: Convert to fraction form
    145,097,143.20/217,639,635.30 = 46,726,672.40/x
  3. Step 3: Cross multiply
    145,097,143.20x = 217,639,635.30 × 46,726,672.40
  4. Step 4: Simplify right side
    145,097,143.20x = 10,169,575,939,646,526
  5. Step 5: Solve for x
    x = 10,169,575,939,646,526/145,097,143.20
  6. Step 6: Final answer
    x = 70,088,050.77

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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.