Home / 70,417,632.20-105,500,477.10-43,459,795.40

Finding the Fourth Proportional to 70,417,632.20, 105,500,477.10 and 43,459,795.40

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Solution

The fourth proportional to 70,417,632.20, 105,500,477.10 and 43,459,795.40 is: 65,111,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417,632.20 : 105,500,477.10 = 43,459,795.40 : x
  2. Step 2: Convert to fraction form
    70,417,632.20/105,500,477.10 = 43,459,795.40/x
  3. Step 3: Cross multiply
    70,417,632.20x = 105,500,477.10 × 43,459,795.40
  4. Step 4: Simplify right side
    70,417,632.20x = 4,585,029,149,368,385
  5. Step 5: Solve for x
    x = 4,585,029,149,368,385/70,417,632.20
  6. Step 6: Final answer
    x = 65,111,947.19

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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.