Home / 187,820,931.02-259,154,071.46-108,434,616.84

Finding the Fourth Proportional to 187,820,931.02, 259,154,071.46 and 108,434,616.84

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Solution

The fourth proportional to 187,820,931.02, 259,154,071.46 and 108,434,616.84 is: 149,617,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820,931.02 : 259,154,071.46 = 108,434,616.84 : x
  2. Step 2: Convert to fraction form
    187,820,931.02/259,154,071.46 = 108,434,616.84/x
  3. Step 3: Cross multiply
    187,820,931.02x = 259,154,071.46 × 108,434,616.84
  4. Step 4: Simplify right side
    187,820,931.02x = 28,101,272,441,291,080
  5. Step 5: Solve for x
    x = 28,101,272,441,291,080/187,820,931.02
  6. Step 6: Final answer
    x = 149,617,363.14

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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.