Home / 99,697,634.40-149,214,675.60-72,326,114.40

Finding the Fourth Proportional to 99,697,634.40, 149,214,675.60 and 72,326,114.40

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Solution

The fourth proportional to 99,697,634.40, 149,214,675.60 and 72,326,114.40 is: 108,248,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,697,634.40 : 149,214,675.60 = 72,326,114.40 : x
  2. Step 2: Convert to fraction form
    99,697,634.40/149,214,675.60 = 72,326,114.40/x
  3. Step 3: Cross multiply
    99,697,634.40x = 149,214,675.60 × 72,326,114.40
  4. Step 4: Simplify right side
    99,697,634.40x = 10,792,117,697,604,490
  5. Step 5: Solve for x
    x = 10,792,117,697,604,490/99,697,634.40
  6. Step 6: Final answer
    x = 108,248,483.15

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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.