Home / 70,668,312.60-105,871,832.10-40,285,925.40

Finding the Fourth Proportional to 70,668,312.60, 105,871,832.10 and 40,285,925.40

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Solution

The fourth proportional to 70,668,312.60, 105,871,832.10 and 40,285,925.40 is: 60,354,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668,312.60 : 105,871,832.10 = 40,285,925.40 : x
  2. Step 2: Convert to fraction form
    70,668,312.60/105,871,832.10 = 40,285,925.40/x
  3. Step 3: Cross multiply
    70,668,312.60x = 105,871,832.10 × 40,285,925.40
  4. Step 4: Simplify right side
    70,668,312.60x = 4,265,144,729,941,925
  5. Step 5: Solve for x
    x = 4,265,144,729,941,925/70,668,312.60
  6. Step 6: Final answer
    x = 60,354,415.90

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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.