Home / 281,312,038.40-421,632,134.40-117,549,478.40

Finding the Fourth Proportional to 281,312,038.40, 421,632,134.40 and 117,549,478.40

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Solution

The fourth proportional to 281,312,038.40, 421,632,134.40 and 117,549,478.40 is: 176,183,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,312,038.40 : 421,632,134.40 = 117,549,478.40 : x
  2. Step 2: Convert to fraction form
    281,312,038.40/421,632,134.40 = 117,549,478.40/x
  3. Step 3: Cross multiply
    281,312,038.40x = 421,632,134.40 × 117,549,478.40
  4. Step 4: Simplify right side
    281,312,038.40x = 49,562,637,475,398,696
  5. Step 5: Solve for x
    x = 49,562,637,475,398,696/281,312,038.40
  6. Step 6: Final answer
    x = 176,183,848.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.