Home / 105,048,411.60-157,572,617.40-103,613,520.90

Finding the Fourth Proportional to 105,048,411.60, 157,572,617.40 and 103,613,520.90

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Solution

The fourth proportional to 105,048,411.60, 157,572,617.40 and 103,613,520.90 is: 155,420,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048,411.60 : 157,572,617.40 = 103,613,520.90 : x
  2. Step 2: Convert to fraction form
    105,048,411.60/157,572,617.40 = 103,613,520.90/x
  3. Step 3: Cross multiply
    105,048,411.60x = 157,572,617.40 × 103,613,520.90
  4. Step 4: Simplify right side
    105,048,411.60x = 16,326,653,686,242,606
  5. Step 5: Solve for x
    x = 16,326,653,686,242,606/105,048,411.60
  6. Step 6: Final answer
    x = 155,420,281.35

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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.