Home / 349,536,216.80-524,430,296.40-145,210,930.40

Finding the Fourth Proportional to 349,536,216.80, 524,430,296.40 and 145,210,930.40

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Solution

The fourth proportional to 349,536,216.80, 524,430,296.40 and 145,210,930.40 is: 217,868,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,536,216.80 : 524,430,296.40 = 145,210,930.40 : x
  2. Step 2: Convert to fraction form
    349,536,216.80/524,430,296.40 = 145,210,930.40/x
  3. Step 3: Cross multiply
    349,536,216.80x = 524,430,296.40 × 145,210,930.40
  4. Step 4: Simplify right side
    349,536,216.80x = 76,153,011,270,191,776
  5. Step 5: Solve for x
    x = 76,153,011,270,191,776/349,536,216.80
  6. Step 6: Final answer
    x = 217,868,728.93

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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.