Home / 123,358,354,746.04-170,193,836,743.41-74,510,923,307.74

Finding the Fourth Proportional to 123,358,354,746.04, 170,193,836,743.41 and 74,510,923,307.74

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Solution

The fourth proportional to 123,358,354,746.04, 170,193,836,743.41 and 74,510,923,307.74 is: 102,800,494,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,358,354,746.04 : 170,193,836,743.41 = 74,510,923,307.74 : x
  2. Step 2: Convert to fraction form
    123,358,354,746.04/170,193,836,743.41 = 74,510,923,307.74/x
  3. Step 3: Cross multiply
    123,358,354,746.04x = 170,193,836,743.41 × 74,510,923,307.74
  4. Step 4: Simplify right side
    123,358,354,746.04x = 12,681,299,917,038,245,904,384
  5. Step 5: Solve for x
    x = 12,681,299,917,038,245,904,384/123,358,354,746.04
  6. Step 6: Final answer
    x = 102,800,494,892.67

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1.5x scale

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.