Home / 42,775,541.40-64,163,312.10-40,784,885.40

Finding the Fourth Proportional to 42,775,541.40, 64,163,312.10 and 40,784,885.40

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Solution

The fourth proportional to 42,775,541.40, 64,163,312.10 and 40,784,885.40 is: 61,177,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775,541.40 : 64,163,312.10 = 40,784,885.40 : x
  2. Step 2: Convert to fraction form
    42,775,541.40/64,163,312.10 = 40,784,885.40/x
  3. Step 3: Cross multiply
    42,775,541.40x = 64,163,312.10 × 40,784,885.40
  4. Step 4: Simplify right side
    42,775,541.40x = 2,616,893,330,882,933.50
  5. Step 5: Solve for x
    x = 2,616,893,330,882,933.50/42,775,541.40
  6. Step 6: Final answer
    x = 61,177,328.10

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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.