Home / 181,054,390.36-249,860,411.56-128,225,612.02

Finding the Fourth Proportional to 181,054,390.36, 249,860,411.56 and 128,225,612.02

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Solution

The fourth proportional to 181,054,390.36, 249,860,411.56 and 128,225,612.02 is: 176,955,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054,390.36 : 249,860,411.56 = 128,225,612.02 : x
  2. Step 2: Convert to fraction form
    181,054,390.36/249,860,411.56 = 128,225,612.02/x
  3. Step 3: Cross multiply
    181,054,390.36x = 249,860,411.56 × 128,225,612.02
  4. Step 4: Simplify right side
    181,054,390.36x = 32,038,504,191,850,084
  5. Step 5: Solve for x
    x = 32,038,504,191,850,084/181,054,390.36
  6. Step 6: Final answer
    x = 176,955,135.57

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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.