Home / 103,623,618.60-155,435,427.90-31,810,703.40

Finding the Fourth Proportional to 103,623,618.60, 155,435,427.90 and 31,810,703.40

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Solution

The fourth proportional to 103,623,618.60, 155,435,427.90 and 31,810,703.40 is: 47,716,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623,618.60 : 155,435,427.90 = 31,810,703.40 : x
  2. Step 2: Convert to fraction form
    103,623,618.60/155,435,427.90 = 31,810,703.40/x
  3. Step 3: Cross multiply
    103,623,618.60x = 155,435,427.90 × 31,810,703.40
  4. Step 4: Simplify right side
    103,623,618.60x = 4,944,510,294,778,985
  5. Step 5: Solve for x
    x = 4,944,510,294,778,985/103,623,618.60
  6. Step 6: Final answer
    x = 47,716,055.10

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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.