Home / 70,341,375.40-105,512,063.10-58,248,140.20

Finding the Fourth Proportional to 70,341,375.40, 105,512,063.10 and 58,248,140.20

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Solution

The fourth proportional to 70,341,375.40, 105,512,063.10 and 58,248,140.20 is: 87,372,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341,375.40 : 105,512,063.10 = 58,248,140.20 : x
  2. Step 2: Convert to fraction form
    70,341,375.40/105,512,063.10 = 58,248,140.20/x
  3. Step 3: Cross multiply
    70,341,375.40x = 105,512,063.10 × 58,248,140.20
  4. Step 4: Simplify right side
    70,341,375.40x = 6,145,881,444,240,047
  5. Step 5: Solve for x
    x = 6,145,881,444,240,047/70,341,375.40
  6. Step 6: Final answer
    x = 87,372,210.30

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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.