Home / 105,048,421.10-157,572,631.65-103,613,530.40

Finding the Fourth Proportional to 105,048,421.10, 157,572,631.65 and 103,613,530.40

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Solution

The fourth proportional to 105,048,421.10, 157,572,631.65 and 103,613,530.40 is: 155,420,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048,421.10 : 157,572,631.65 = 103,613,530.40 : x
  2. Step 2: Convert to fraction form
    105,048,421.10/157,572,631.65 = 103,613,530.40/x
  3. Step 3: Cross multiply
    105,048,421.10x = 157,572,631.65 × 103,613,530.40
  4. Step 4: Simplify right side
    105,048,421.10x = 16,326,656,659,675,278
  5. Step 5: Solve for x
    x = 16,326,656,659,675,278/105,048,421.10
  6. Step 6: Final answer
    x = 155,420,295.60

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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.