Home / 145,220,121.10-217,830,181.65-53,103,681.10

Finding the Fourth Proportional to 145,220,121.10, 217,830,181.65 and 53,103,681.10

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Solution

The fourth proportional to 145,220,121.10, 217,830,181.65 and 53,103,681.10 is: 79,655,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,121.10 : 217,830,181.65 = 53,103,681.10 : x
  2. Step 2: Convert to fraction form
    145,220,121.10/217,830,181.65 = 53,103,681.10/x
  3. Step 3: Cross multiply
    145,220,121.10x = 217,830,181.65 × 53,103,681.10
  4. Step 4: Simplify right side
    145,220,121.10x = 11,567,584,500,296,672
  5. Step 5: Solve for x
    x = 11,567,584,500,296,672/145,220,121.10
  6. Step 6: Final answer
    x = 79,655,521.65

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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.