Home / 56,678,205.21-78,196,348.98-34,358,347.55

Finding the Fourth Proportional to 56,678,205.21, 78,196,348.98 and 34,358,347.55

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Solution

The fourth proportional to 56,678,205.21, 78,196,348.98 and 34,358,347.55 is: 47,402,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678,205.21 : 78,196,348.98 = 34,358,347.55 : x
  2. Step 2: Convert to fraction form
    56,678,205.21/78,196,348.98 = 34,358,347.55/x
  3. Step 3: Cross multiply
    56,678,205.21x = 78,196,348.98 × 34,358,347.55
  4. Step 4: Simplify right side
    56,678,205.21x = 2,686,697,335,004,946.50
  5. Step 5: Solve for x
    x = 2,686,697,335,004,946.50/56,678,205.21
  6. Step 6: Final answer
    x = 47,402,653.72

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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.