Home / 127,187,074,915.73-175,518,164,370.15-70,094,386,055.76

Finding the Fourth Proportional to 127,187,074,915.73, 175,518,164,370.15 and 70,094,386,055.76

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Solution

The fourth proportional to 127,187,074,915.73, 175,518,164,370.15 and 70,094,386,055.76 is: 96,730,253,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187,074,915.73 : 175,518,164,370.15 = 70,094,386,055.76 : x
  2. Step 2: Convert to fraction form
    127,187,074,915.73/175,518,164,370.15 = 70,094,386,055.76/x
  3. Step 3: Cross multiply
    127,187,074,915.73x = 175,518,164,370.15 × 70,094,386,055.76
  4. Step 4: Simplify right side
    127,187,074,915.73x = 12,302,837,973,160,160,133,120
  5. Step 5: Solve for x
    x = 12,302,837,973,160,160,133,120/127,187,074,915.73
  6. Step 6: Final answer
    x = 96,730,253,300.59

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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.