Home / 66,430,415.30-99,645,622.95-34,145,374.55

Finding the Fourth Proportional to 66,430,415.30, 99,645,622.95 and 34,145,374.55

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Solution

The fourth proportional to 66,430,415.30, 99,645,622.95 and 34,145,374.55 is: 51,218,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,415.30 : 99,645,622.95 = 34,145,374.55 : x
  2. Step 2: Convert to fraction form
    66,430,415.30/99,645,622.95 = 34,145,374.55/x
  3. Step 3: Cross multiply
    66,430,415.30x = 99,645,622.95 × 34,145,374.55
  4. Step 4: Simplify right side
    66,430,415.30x = 3,402,437,117,895,825.50
  5. Step 5: Solve for x
    x = 3,402,437,117,895,825.50/66,430,415.30
  6. Step 6: Final answer
    x = 51,218,061.83

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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.