Home / 71,009,931.90-106,514,897.85-40,776,843.90

Finding the Fourth Proportional to 71,009,931.90, 106,514,897.85 and 40,776,843.90

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Solution

The fourth proportional to 71,009,931.90, 106,514,897.85 and 40,776,843.90 is: 61,165,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009,931.90 : 106,514,897.85 = 40,776,843.90 : x
  2. Step 2: Convert to fraction form
    71,009,931.90/106,514,897.85 = 40,776,843.90/x
  3. Step 3: Cross multiply
    71,009,931.90x = 106,514,897.85 × 40,776,843.90
  4. Step 4: Simplify right side
    71,009,931.90x = 4,343,341,362,653,895
  5. Step 5: Solve for x
    x = 4,343,341,362,653,895/71,009,931.90
  6. Step 6: Final answer
    x = 61,165,265.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.