Home / 53,736,264.45-74,156,064.89-30,531,421.89

Finding the Fourth Proportional to 53,736,264.45, 74,156,064.89 and 30,531,421.89

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Solution

The fourth proportional to 53,736,264.45, 74,156,064.89 and 30,531,421.89 is: 42,133,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736,264.45 : 74,156,064.89 = 30,531,421.89 : x
  2. Step 2: Convert to fraction form
    53,736,264.45/74,156,064.89 = 30,531,421.89/x
  3. Step 3: Cross multiply
    53,736,264.45x = 74,156,064.89 × 30,531,421.89
  4. Step 4: Simplify right side
    53,736,264.45x = 2,264,090,102,706,149.50
  5. Step 5: Solve for x
    x = 2,264,090,102,706,149.50/53,736,264.45
  6. Step 6: Final answer
    x = 42,133,373.54

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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.