Home / 56,313,622.80-77,712,800.08-30,559,510.80

Finding the Fourth Proportional to 56,313,622.80, 77,712,800.08 and 30,559,510.80

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Solution

The fourth proportional to 56,313,622.80, 77,712,800.08 and 30,559,510.80 is: 42,172,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,313,622.80 : 77,712,800.08 = 30,559,510.80 : x
  2. Step 2: Convert to fraction form
    56,313,622.80/77,712,800.08 = 30,559,510.80/x
  3. Step 3: Cross multiply
    56,313,622.80x = 77,712,800.08 × 30,559,510.80
  4. Step 4: Simplify right side
    56,313,622.80x = 2,374,865,153,343,001
  5. Step 5: Solve for x
    x = 2,374,865,153,343,001/56,313,622.80
  6. Step 6: Final answer
    x = 42,172,125.24

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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.