Home / 90,343,774.72-124,675,196.52-49,090,666.96

Finding the Fourth Proportional to 90,343,774.72, 124,675,196.52 and 49,090,666.96

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Solution

The fourth proportional to 90,343,774.72, 124,675,196.52 and 49,090,666.96 is: 67,745,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343,774.72 : 124,675,196.52 = 49,090,666.96 : x
  2. Step 2: Convert to fraction form
    90,343,774.72/124,675,196.52 = 49,090,666.96/x
  3. Step 3: Cross multiply
    90,343,774.72x = 124,675,196.52 × 49,090,666.96
  4. Step 4: Simplify right side
    90,343,774.72x = 6,120,388,550,535,871
  5. Step 5: Solve for x
    x = 6,120,388,550,535,871/90,343,774.72
  6. Step 6: Final answer
    x = 67,745,548.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.