Home / 103,592,802.10-155,389,203.15-99,169,813.30

Finding the Fourth Proportional to 103,592,802.10, 155,389,203.15 and 99,169,813.30

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Solution

The fourth proportional to 103,592,802.10, 155,389,203.15 and 99,169,813.30 is: 148,754,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592,802.10 : 155,389,203.15 = 99,169,813.30 : x
  2. Step 2: Convert to fraction form
    103,592,802.10/155,389,203.15 = 99,169,813.30/x
  3. Step 3: Cross multiply
    103,592,802.10x = 155,389,203.15 × 99,169,813.30
  4. Step 4: Simplify right side
    103,592,802.10x = 15,409,918,265,221,272
  5. Step 5: Solve for x
    x = 15,409,918,265,221,272/103,592,802.10
  6. Step 6: Final answer
    x = 148,754,719.95

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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.