Home / 87,036,417.29-130,526,927.66-28,733,239.60

Finding the Fourth Proportional to 87,036,417.29, 130,526,927.66 and 28,733,239.60

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Solution

The fourth proportional to 87,036,417.29, 130,526,927.66 and 28,733,239.60 is: 43,090,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,036,417.29 : 130,526,927.66 = 28,733,239.60 : x
  2. Step 2: Convert to fraction form
    87,036,417.29/130,526,927.66 = 28,733,239.60/x
  3. Step 3: Cross multiply
    87,036,417.29x = 130,526,927.66 × 28,733,239.60
  4. Step 4: Simplify right side
    87,036,417.29x = 3,750,461,486,706,647.50
  5. Step 5: Solve for x
    x = 3,750,461,486,706,647.50/87,036,417.29
  6. Step 6: Final answer
    x = 43,090,715.40

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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.