Home / 66,208,077.08-99,326,410.10-20,153,547.44

Finding the Fourth Proportional to 66,208,077.08, 99,326,410.10 and 20,153,547.44

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Solution

The fourth proportional to 66,208,077.08, 99,326,410.10 and 20,153,547.44 is: 30,234,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208,077.08 : 99,326,410.10 = 20,153,547.44 : x
  2. Step 2: Convert to fraction form
    66,208,077.08/99,326,410.10 = 20,153,547.44/x
  3. Step 3: Cross multiply
    66,208,077.08x = 99,326,410.10 × 20,153,547.44
  4. Step 4: Simplify right side
    66,208,077.08x = 2,001,779,517,894,477.50
  5. Step 5: Solve for x
    x = 2,001,779,517,894,477.50/66,208,077.08
  6. Step 6: Final answer
    x = 30,234,672.36

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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.