Home / 286,050,400.70-429,075,601.05-70,639,648.70

Finding the Fourth Proportional to 286,050,400.70, 429,075,601.05 and 70,639,648.70

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Solution

The fourth proportional to 286,050,400.70, 429,075,601.05 and 70,639,648.70 is: 105,959,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,050,400.70 : 429,075,601.05 = 70,639,648.70 : x
  2. Step 2: Convert to fraction form
    286,050,400.70/429,075,601.05 = 70,639,648.70/x
  3. Step 3: Cross multiply
    286,050,400.70x = 429,075,601.05 × 70,639,648.70
  4. Step 4: Simplify right side
    286,050,400.70x = 30,309,749,723,913,352
  5. Step 5: Solve for x
    x = 30,309,749,723,913,352/286,050,400.70
  6. Step 6: Final answer
    x = 105,959,473.05

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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.