Home / 102,438,970.65-141,369,145.29-56,029,225.94

Finding the Fourth Proportional to 102,438,970.65, 141,369,145.29 and 56,029,225.94

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Solution

The fourth proportional to 102,438,970.65, 141,369,145.29 and 56,029,225.94 is: 77,322,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,438,970.65 : 141,369,145.29 = 56,029,225.94 : x
  2. Step 2: Convert to fraction form
    102,438,970.65/141,369,145.29 = 56,029,225.94/x
  3. Step 3: Cross multiply
    102,438,970.65x = 141,369,145.29 × 56,029,225.94
  4. Step 4: Simplify right side
    102,438,970.65x = 7,920,803,782,221,385
  5. Step 5: Solve for x
    x = 7,920,803,782,221,385/102,438,970.65
  6. Step 6: Final answer
    x = 77,322,172.72

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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.