Home / 242,688,000.80-364,032,001.20-156,691,661.60

Finding the Fourth Proportional to 242,688,000.80, 364,032,001.20 and 156,691,661.60

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Solution

The fourth proportional to 242,688,000.80, 364,032,001.20 and 156,691,661.60 is: 235,037,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,688,000.80 : 364,032,001.20 = 156,691,661.60 : x
  2. Step 2: Convert to fraction form
    242,688,000.80/364,032,001.20 = 156,691,661.60/x
  3. Step 3: Cross multiply
    242,688,000.80x = 364,032,001.20 × 156,691,661.60
  4. Step 4: Simplify right side
    242,688,000.80x = 57,040,779,143,601,192
  5. Step 5: Solve for x
    x = 57,040,779,143,601,192/242,688,000.80
  6. Step 6: Final answer
    x = 235,037,492.40

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1.5x scale

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.