Home / 74,745,367.40-112,118,051.10-66,242,311.40

Finding the Fourth Proportional to 74,745,367.40, 112,118,051.10 and 66,242,311.40

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Solution

The fourth proportional to 74,745,367.40, 112,118,051.10 and 66,242,311.40 is: 99,363,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745,367.40 : 112,118,051.10 = 66,242,311.40 : x
  2. Step 2: Convert to fraction form
    74,745,367.40/112,118,051.10 = 66,242,311.40/x
  3. Step 3: Cross multiply
    74,745,367.40x = 112,118,051.10 × 66,242,311.40
  4. Step 4: Simplify right side
    74,745,367.40x = 7,426,958,854,527,312
  5. Step 5: Solve for x
    x = 7,426,958,854,527,312/74,745,367.40
  6. Step 6: Final answer
    x = 99,363,467.10

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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.