Home / 64,361,260.60-96,516,230.10-21,218,457.40

Finding the Fourth Proportional to 64,361,260.60, 96,516,230.10 and 21,218,457.40

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Solution

The fourth proportional to 64,361,260.60, 96,516,230.10 and 21,218,457.40 is: 31,819,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,260.60 : 96,516,230.10 = 21,218,457.40 : x
  2. Step 2: Convert to fraction form
    64,361,260.60/96,516,230.10 = 21,218,457.40/x
  3. Step 3: Cross multiply
    64,361,260.60x = 96,516,230.10 × 21,218,457.40
  4. Step 4: Simplify right side
    64,361,260.60x = 2,047,925,516,785,447.50
  5. Step 5: Solve for x
    x = 2,047,925,516,785,447.50/64,361,260.60
  6. Step 6: Final answer
    x = 31,819,226.31

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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.