Home / 64,662,658.28-97,009,430.40-21,532,235.48

Finding the Fourth Proportional to 64,662,658.28, 97,009,430.40 and 21,532,235.48

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Solution

The fourth proportional to 64,662,658.28, 97,009,430.40 and 21,532,235.48 is: 32,303,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662,658.28 : 97,009,430.40 = 21,532,235.48 : x
  2. Step 2: Convert to fraction form
    64,662,658.28/97,009,430.40 = 21,532,235.48/x
  3. Step 3: Cross multiply
    64,662,658.28x = 97,009,430.40 × 21,532,235.48
  4. Step 4: Simplify right side
    64,662,658.28x = 2,088,829,899,153,470.75
  5. Step 5: Solve for x
    x = 2,088,829,899,153,470.75/64,662,658.28
  6. Step 6: Final answer
    x = 32,303,495.63

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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.