Home / 56,685,646.50-78,226,000.34-31,905,818.99

Finding the Fourth Proportional to 56,685,646.50, 78,226,000.34 and 31,905,818.99

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Solution

The fourth proportional to 56,685,646.50, 78,226,000.34 and 31,905,818.99 is: 44,029,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,646.50 : 78,226,000.34 = 31,905,818.99 : x
  2. Step 2: Convert to fraction form
    56,685,646.50/78,226,000.34 = 31,905,818.99/x
  3. Step 3: Cross multiply
    56,685,646.50x = 78,226,000.34 × 31,905,818.99
  4. Step 4: Simplify right side
    56,685,646.50x = 2,495,864,607,159,718.50
  5. Step 5: Solve for x
    x = 2,495,864,607,159,718.50/56,685,646.50
  6. Step 6: Final answer
    x = 44,029,922.23

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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.