Home / 72,652,671.62-109,030,075.68-65,706,343.31

Finding the Fourth Proportional to 72,652,671.62, 109,030,075.68 and 65,706,343.31

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Solution

The fourth proportional to 72,652,671.62, 109,030,075.68 and 65,706,343.31 is: 98,605,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,652,671.62 : 109,030,075.68 = 65,706,343.31 : x
  2. Step 2: Convert to fraction form
    72,652,671.62/109,030,075.68 = 65,706,343.31/x
  3. Step 3: Cross multiply
    72,652,671.62x = 109,030,075.68 × 65,706,343.31
  4. Step 4: Simplify right side
    72,652,671.62x = 7,163,967,583,281,115
  5. Step 5: Solve for x
    x = 7,163,967,583,281,115/72,652,671.62
  6. Step 6: Final answer
    x = 98,605,700.57

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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.