Home / 100,971,290.49-139,316,648.72-61,277,941.44

Finding the Fourth Proportional to 100,971,290.49, 139,316,648.72 and 61,277,941.44

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Solution

The fourth proportional to 100,971,290.49, 139,316,648.72 and 61,277,941.44 is: 84,549,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,971,290.49 : 139,316,648.72 = 61,277,941.44 : x
  2. Step 2: Convert to fraction form
    100,971,290.49/139,316,648.72 = 61,277,941.44/x
  3. Step 3: Cross multiply
    100,971,290.49x = 139,316,648.72 × 61,277,941.44
  4. Step 4: Simplify right side
    100,971,290.49x = 8,537,037,442,327,051
  5. Step 5: Solve for x
    x = 8,537,037,442,327,051/100,971,290.49
  6. Step 6: Final answer
    x = 84,549,156.50

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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.