Home / 145,152,030.30-217,728,045.45-49,413,918.30

Finding the Fourth Proportional to 145,152,030.30, 217,728,045.45 and 49,413,918.30

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Solution

The fourth proportional to 145,152,030.30, 217,728,045.45 and 49,413,918.30 is: 74,120,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,030.30 : 217,728,045.45 = 49,413,918.30 : x
  2. Step 2: Convert to fraction form
    145,152,030.30/217,728,045.45 = 49,413,918.30/x
  3. Step 3: Cross multiply
    145,152,030.30x = 217,728,045.45 × 49,413,918.30
  4. Step 4: Simplify right side
    145,152,030.30x = 10,758,795,849,484,986
  5. Step 5: Solve for x
    x = 10,758,795,849,484,986/145,152,030.30
  6. Step 6: Final answer
    x = 74,120,877.45

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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.