Home / 265,675,275.68-398,628,009.86-142,710,125.40

Finding the Fourth Proportional to 265,675,275.68, 398,628,009.86 and 142,710,125.40

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Solution

The fourth proportional to 265,675,275.68, 398,628,009.86 and 142,710,125.40 is: 214,127,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,675,275.68 : 398,628,009.86 = 142,710,125.40 : x
  2. Step 2: Convert to fraction form
    265,675,275.68/398,628,009.86 = 142,710,125.40/x
  3. Step 3: Cross multiply
    265,675,275.68x = 398,628,009.86 × 142,710,125.40
  4. Step 4: Simplify right side
    265,675,275.68x = 56,888,253,274,359,488
  5. Step 5: Solve for x
    x = 56,888,253,274,359,488/265,675,275.68
  6. Step 6: Final answer
    x = 214,127,013.25

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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.