Home / 90,438,602.20-135,657,903.30-56,001,225.40

Finding the Fourth Proportional to 90,438,602.20, 135,657,903.30 and 56,001,225.40

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Solution

The fourth proportional to 90,438,602.20, 135,657,903.30 and 56,001,225.40 is: 84,001,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,438,602.20 : 135,657,903.30 = 56,001,225.40 : x
  2. Step 2: Convert to fraction form
    90,438,602.20/135,657,903.30 = 56,001,225.40/x
  3. Step 3: Cross multiply
    90,438,602.20x = 135,657,903.30 × 56,001,225.40
  4. Step 4: Simplify right side
    90,438,602.20x = 7,597,008,819,994,704
  5. Step 5: Solve for x
    x = 7,597,008,819,994,704/90,438,602.20
  6. Step 6: Final answer
    x = 84,001,838.10

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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.