Home / 70,341,374.40-105,512,061.60-58,248,139.20

Finding the Fourth Proportional to 70,341,374.40, 105,512,061.60 and 58,248,139.20

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Solution

The fourth proportional to 70,341,374.40, 105,512,061.60 and 58,248,139.20 is: 87,372,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341,374.40 : 105,512,061.60 = 58,248,139.20 : x
  2. Step 2: Convert to fraction form
    70,341,374.40/105,512,061.60 = 58,248,139.20/x
  3. Step 3: Cross multiply
    70,341,374.40x = 105,512,061.60 × 58,248,139.20
  4. Step 4: Simplify right side
    70,341,374.40x = 6,145,881,251,355,775
  5. Step 5: Solve for x
    x = 6,145,881,251,355,775/70,341,374.40
  6. Step 6: Final answer
    x = 87,372,208.80

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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.