Home / 64,720,929.40-89,314,278.78-35,352,250.72

Finding the Fourth Proportional to 64,720,929.40, 89,314,278.78 and 35,352,250.72

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Solution

The fourth proportional to 64,720,929.40, 89,314,278.78 and 35,352,250.72 is: 48,785,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720,929.40 : 89,314,278.78 = 35,352,250.72 : x
  2. Step 2: Convert to fraction form
    64,720,929.40/89,314,278.78 = 35,352,250.72/x
  3. Step 3: Cross multiply
    64,720,929.40x = 89,314,278.78 × 35,352,250.72
  4. Step 4: Simplify right side
    64,720,929.40x = 3,157,460,776,306,535.50
  5. Step 5: Solve for x
    x = 3,157,460,776,306,535.50/64,720,929.40
  6. Step 6: Final answer
    x = 48,785,776.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.