Home / 265,675,296.72-398,628,041.40-142,710,146.40

Finding the Fourth Proportional to 265,675,296.72, 398,628,041.40 and 142,710,146.40

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Solution

The fourth proportional to 265,675,296.72, 398,628,041.40 and 142,710,146.40 is: 214,127,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,675,296.72 : 398,628,041.40 = 142,710,146.40 : x
  2. Step 2: Convert to fraction form
    265,675,296.72/398,628,041.40 = 142,710,146.40/x
  3. Step 3: Cross multiply
    265,675,296.72x = 398,628,041.40 × 142,710,146.40
  4. Step 4: Simplify right side
    265,675,296.72x = 56,888,266,147,339,256
  5. Step 5: Solve for x
    x = 56,888,266,147,339,256/265,675,296.72
  6. Step 6: Final answer
    x = 214,127,044.74

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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.