Home / 72,046,590.75-99,424,152.45-39,006,830.88

Finding the Fourth Proportional to 72,046,590.75, 99,424,152.45 and 39,006,830.88

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Solution

The fourth proportional to 72,046,590.75, 99,424,152.45 and 39,006,830.88 is: 53,829,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,590.75 : 99,424,152.45 = 39,006,830.88 : x
  2. Step 2: Convert to fraction form
    72,046,590.75/99,424,152.45 = 39,006,830.88/x
  3. Step 3: Cross multiply
    72,046,590.75x = 99,424,152.45 × 39,006,830.88
  4. Step 4: Simplify right side
    72,046,590.75x = 3,878,221,100,004,488
  5. Step 5: Solve for x
    x = 3,878,221,100,004,488/72,046,590.75
  6. Step 6: Final answer
    x = 53,829,349.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.