Home / 155,423,969.96-214,503,886.95-88,459,210.47

Finding the Fourth Proportional to 155,423,969.96, 214,503,886.95 and 88,459,210.47

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Solution

The fourth proportional to 155,423,969.96, 214,503,886.95 and 88,459,210.47 is: 122,084,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,969.96 : 214,503,886.95 = 88,459,210.47 : x
  2. Step 2: Convert to fraction form
    155,423,969.96/214,503,886.95 = 88,459,210.47/x
  3. Step 3: Cross multiply
    155,423,969.96x = 214,503,886.95 × 88,459,210.47
  4. Step 4: Simplify right side
    155,423,969.96x = 18,974,844,482,343,136
  5. Step 5: Solve for x
    x = 18,974,844,482,343,136/155,423,969.96
  6. Step 6: Final answer
    x = 122,084,415.21

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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.