Home / 255,978,017.59-353,249,435.68-144,492,325.15

Finding the Fourth Proportional to 255,978,017.59, 353,249,435.68 and 144,492,325.15

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Solution

The fourth proportional to 255,978,017.59, 353,249,435.68 and 144,492,325.15 is: 199,399,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,978,017.59 : 353,249,435.68 = 144,492,325.15 : x
  2. Step 2: Convert to fraction form
    255,978,017.59/353,249,435.68 = 144,492,325.15/x
  3. Step 3: Cross multiply
    255,978,017.59x = 353,249,435.68 × 144,492,325.15
  4. Step 4: Simplify right side
    255,978,017.59x = 51,041,832,320,572,928
  5. Step 5: Solve for x
    x = 51,041,832,320,572,928/255,978,017.59
  6. Step 6: Final answer
    x = 199,399,279.67

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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.