Home / 66,720,478.32-92,026,784.64-61,231,582.16

Finding the Fourth Proportional to 66,720,478.32, 92,026,784.64 and 61,231,582.16

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Solution

The fourth proportional to 66,720,478.32, 92,026,784.64 and 61,231,582.16 is: 84,456,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720,478.32 : 92,026,784.64 = 61,231,582.16 : x
  2. Step 2: Convert to fraction form
    66,720,478.32/92,026,784.64 = 61,231,582.16/x
  3. Step 3: Cross multiply
    66,720,478.32x = 92,026,784.64 × 61,231,582.16
  4. Step 4: Simplify right side
    66,720,478.32x = 5,634,945,624,604,786
  5. Step 5: Solve for x
    x = 5,634,945,624,604,786/66,720,478.32
  6. Step 6: Final answer
    x = 84,456,013.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.