Home / 99,660,368.40-149,490,552.60-42,133,520.40

Finding the Fourth Proportional to 99,660,368.40, 149,490,552.60 and 42,133,520.40

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Solution

The fourth proportional to 99,660,368.40, 149,490,552.60 and 42,133,520.40 is: 63,200,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,368.40 : 149,490,552.60 = 42,133,520.40 : x
  2. Step 2: Convert to fraction form
    99,660,368.40/149,490,552.60 = 42,133,520.40/x
  3. Step 3: Cross multiply
    99,660,368.40x = 149,490,552.60 × 42,133,520.40
  4. Step 4: Simplify right side
    99,660,368.40x = 6,298,563,247,579,373
  5. Step 5: Solve for x
    x = 6,298,563,247,579,373/99,660,368.40
  6. Step 6: Final answer
    x = 63,200,280.60

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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.