Home / 70,656,941.40-105,985,412.10-60,579,245.40

Finding the Fourth Proportional to 70,656,941.40, 105,985,412.10 and 60,579,245.40

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Solution

The fourth proportional to 70,656,941.40, 105,985,412.10 and 60,579,245.40 is: 90,868,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,941.40 : 105,985,412.10 = 60,579,245.40 : x
  2. Step 2: Convert to fraction form
    70,656,941.40/105,985,412.10 = 60,579,245.40/x
  3. Step 3: Cross multiply
    70,656,941.40x = 105,985,412.10 × 60,579,245.40
  4. Step 4: Simplify right side
    70,656,941.40x = 6,420,516,288,426,029
  5. Step 5: Solve for x
    x = 6,420,516,288,426,029/70,656,941.40
  6. Step 6: Final answer
    x = 90,868,868.10

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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.