Home / 363,506,001.40-545,245,005.30-121,168,905.40

Finding the Fourth Proportional to 363,506,001.40, 545,245,005.30 and 121,168,905.40

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Solution

The fourth proportional to 363,506,001.40, 545,245,005.30 and 121,168,905.40 is: 181,748,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,506,001.40 : 545,245,005.30 = 121,168,905.40 : x
  2. Step 2: Convert to fraction form
    363,506,001.40/545,245,005.30 = 121,168,905.40/x
  3. Step 3: Cross multiply
    363,506,001.40x = 545,245,005.30 × 121,168,905.40
  4. Step 4: Simplify right side
    363,506,001.40x = 66,066,740,467,018,200
  5. Step 5: Solve for x
    x = 66,066,740,467,018,200/363,506,001.40
  6. Step 6: Final answer
    x = 181,748,692.49

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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.