Home / 66,386,492.80-99,579,739.20-62,355,414.40

Finding the Fourth Proportional to 66,386,492.80, 99,579,739.20 and 62,355,414.40

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Solution

The fourth proportional to 66,386,492.80, 99,579,739.20 and 62,355,414.40 is: 93,533,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,386,492.80 : 99,579,739.20 = 62,355,414.40 : x
  2. Step 2: Convert to fraction form
    66,386,492.80/99,579,739.20 = 62,355,414.40/x
  3. Step 3: Cross multiply
    66,386,492.80x = 99,579,739.20 × 62,355,414.40
  4. Step 4: Simplify right side
    66,386,492.80x = 6,209,335,903,659,925
  5. Step 5: Solve for x
    x = 6,209,335,903,659,925/66,386,492.80
  6. Step 6: Final answer
    x = 93,533,121.60

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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.