Home / 152,249,814.74-210,104,974.77-82,635,220.82

Finding the Fourth Proportional to 152,249,814.74, 210,104,974.77 and 82,635,220.82

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Solution

The fourth proportional to 152,249,814.74, 210,104,974.77 and 82,635,220.82 is: 114,036,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,249,814.74 : 210,104,974.77 = 82,635,220.82 : x
  2. Step 2: Convert to fraction form
    152,249,814.74/210,104,974.77 = 82,635,220.82/x
  3. Step 3: Cross multiply
    152,249,814.74x = 210,104,974.77 × 82,635,220.82
  4. Step 4: Simplify right side
    152,249,814.74x = 17,362,070,985,499,478
  5. Step 5: Solve for x
    x = 17,362,070,985,499,478/152,249,814.74
  6. Step 6: Final answer
    x = 114,036,729.80

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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.