Home / 143,829,089.60-215,495,628.60-66,994,530.80

Finding the Fourth Proportional to 143,829,089.60, 215,495,628.60 and 66,994,530.80

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Solution

The fourth proportional to 143,829,089.60, 215,495,628.60 and 66,994,530.80 is: 100,376,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,829,089.60 : 215,495,628.60 = 66,994,530.80 : x
  2. Step 2: Convert to fraction form
    143,829,089.60/215,495,628.60 = 66,994,530.80/x
  3. Step 3: Cross multiply
    143,829,089.60x = 215,495,628.60 × 66,994,530.80
  4. Step 4: Simplify right side
    143,829,089.60x = 14,437,028,527,508,060
  5. Step 5: Solve for x
    x = 14,437,028,527,508,060/143,829,089.60
  6. Step 6: Final answer
    x = 100,376,276.92

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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.