Home / 126,154,168.12-174,092,426.94-70,398,994.24

Finding the Fourth Proportional to 126,154,168.12, 174,092,426.94 and 70,398,994.24

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Solution

The fourth proportional to 126,154,168.12, 174,092,426.94 and 70,398,994.24 is: 97,150,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,154,168.12 : 174,092,426.94 = 70,398,994.24 : x
  2. Step 2: Convert to fraction form
    126,154,168.12/174,092,426.94 = 70,398,994.24/x
  3. Step 3: Cross multiply
    126,154,168.12x = 174,092,426.94 × 70,398,994.24
  4. Step 4: Simplify right side
    126,154,168.12x = 12,255,931,761,376,680
  5. Step 5: Solve for x
    x = 12,255,931,761,376,680/126,154,168.12
  6. Step 6: Final answer
    x = 97,150,430.65

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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.