Home / 181,054,396.36-249,860,419.84-128,225,618.04

Finding the Fourth Proportional to 181,054,396.36, 249,860,419.84 and 128,225,618.04

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Solution

The fourth proportional to 181,054,396.36, 249,860,419.84 and 128,225,618.04 is: 176,955,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054,396.36 : 249,860,419.84 = 128,225,618.04 : x
  2. Step 2: Convert to fraction form
    181,054,396.36/249,860,419.84 = 128,225,618.04/x
  3. Step 3: Cross multiply
    181,054,396.36x = 249,860,419.84 × 128,225,618.04
  4. Step 4: Simplify right side
    181,054,396.36x = 32,038,506,757,717,880
  5. Step 5: Solve for x
    x = 32,038,506,757,717,880/181,054,396.36
  6. Step 6: Final answer
    x = 176,955,143.88

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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.