Home / 130,212,431.73-195,277,485.13-42,759,531.82

Finding the Fourth Proportional to 130,212,431.73, 195,277,485.13 and 42,759,531.82

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Solution

The fourth proportional to 130,212,431.73, 195,277,485.13 and 42,759,531.82 is: 64,125,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212,431.73 : 195,277,485.13 = 42,759,531.82 : x
  2. Step 2: Convert to fraction form
    130,212,431.73/195,277,485.13 = 42,759,531.82/x
  3. Step 3: Cross multiply
    130,212,431.73x = 195,277,485.13 × 42,759,531.82
  4. Step 4: Simplify right side
    130,212,431.73x = 8,349,973,838,506,038
  5. Step 5: Solve for x
    x = 8,349,973,838,506,038/130,212,431.73
  6. Step 6: Final answer
    x = 64,125,780.68

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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.