Home / 66,649,328.10-99,973,992.15-42,495,334.65

Finding the Fourth Proportional to 66,649,328.10, 99,973,992.15 and 42,495,334.65

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Solution

The fourth proportional to 66,649,328.10, 99,973,992.15 and 42,495,334.65 is: 63,743,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,649,328.10 : 99,973,992.15 = 42,495,334.65 : x
  2. Step 2: Convert to fraction form
    66,649,328.10/99,973,992.15 = 42,495,334.65/x
  3. Step 3: Cross multiply
    66,649,328.10x = 99,973,992.15 × 42,495,334.65
  4. Step 4: Simplify right side
    66,649,328.10x = 4,248,428,252,710,723
  5. Step 5: Solve for x
    x = 4,248,428,252,710,723/66,649,328.10
  6. Step 6: Final answer
    x = 63,743,001.98

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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.