Home / 64,778,868.20-97,169,339.10-16,909,812.20

Finding the Fourth Proportional to 64,778,868.20, 97,169,339.10 and 16,909,812.20

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Solution

The fourth proportional to 64,778,868.20, 97,169,339.10 and 16,909,812.20 is: 25,364,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,778,868.20 : 97,169,339.10 = 16,909,812.20 : x
  2. Step 2: Convert to fraction form
    64,778,868.20/97,169,339.10 = 16,909,812.20/x
  3. Step 3: Cross multiply
    64,778,868.20x = 97,169,339.10 × 16,909,812.20
  4. Step 4: Simplify right side
    64,778,868.20x = 1,643,115,275,779,116.75
  5. Step 5: Solve for x
    x = 1,643,115,275,779,116.75/64,778,868.20
  6. Step 6: Final answer
    x = 25,364,988.95

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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.