Home / 64,516,547.40-96,774,821.10-21,392,406.60

Finding the Fourth Proportional to 64,516,547.40, 96,774,821.10 and 21,392,406.60

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Solution

The fourth proportional to 64,516,547.40, 96,774,821.10 and 21,392,406.60 is: 32,088,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,547.40 : 96,774,821.10 = 21,392,406.60 : x
  2. Step 2: Convert to fraction form
    64,516,547.40/96,774,821.10 = 21,392,406.60/x
  3. Step 3: Cross multiply
    64,516,547.40x = 96,774,821.10 × 21,392,406.60
  4. Step 4: Simplify right side
    64,516,547.40x = 2,070,246,321,613,459.25
  5. Step 5: Solve for x
    x = 2,070,246,321,613,459.25/64,516,547.40
  6. Step 6: Final answer
    x = 32,088,609.90

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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.