Home / 42,912,032.40-64,368,048.60-40,921,376.40

Finding the Fourth Proportional to 42,912,032.40, 64,368,048.60 and 40,921,376.40

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Solution

The fourth proportional to 42,912,032.40, 64,368,048.60 and 40,921,376.40 is: 61,382,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,032.40 : 64,368,048.60 = 40,921,376.40 : x
  2. Step 2: Convert to fraction form
    42,912,032.40/64,368,048.60 = 40,921,376.40/x
  3. Step 3: Cross multiply
    42,912,032.40x = 64,368,048.60 × 40,921,376.40
  4. Step 4: Simplify right side
    42,912,032.40x = 2,634,029,144,894,093
  5. Step 5: Solve for x
    x = 2,634,029,144,894,093/42,912,032.40
  6. Step 6: Final answer
    x = 61,382,064.60

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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.