Home / 161,942,205.20-242,913,307.80-146,321,776.40

Finding the Fourth Proportional to 161,942,205.20, 242,913,307.80 and 146,321,776.40

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Solution

The fourth proportional to 161,942,205.20, 242,913,307.80 and 146,321,776.40 is: 219,482,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,942,205.20 : 242,913,307.80 = 146,321,776.40 : x
  2. Step 2: Convert to fraction form
    161,942,205.20/242,913,307.80 = 146,321,776.40/x
  3. Step 3: Cross multiply
    161,942,205.20x = 242,913,307.80 × 146,321,776.40
  4. Step 4: Simplify right side
    161,942,205.20x = 35,543,506,708,495,980
  5. Step 5: Solve for x
    x = 35,543,506,708,495,980/161,942,205.20
  6. Step 6: Final answer
    x = 219,482,664.60

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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.