Home / 199,710,451.20-299,117,779.20-163,878,643.20

Finding the Fourth Proportional to 199,710,451.20, 299,117,779.20 and 163,878,643.20

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Solution

The fourth proportional to 199,710,451.20, 299,117,779.20 and 163,878,643.20 is: 245,450,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,710,451.20 : 299,117,779.20 = 163,878,643.20 : x
  2. Step 2: Convert to fraction form
    199,710,451.20/299,117,779.20 = 163,878,643.20/x
  3. Step 3: Cross multiply
    199,710,451.20x = 299,117,779.20 × 163,878,643.20
  4. Step 4: Simplify right side
    199,710,451.20x = 49,019,015,812,293,176
  5. Step 5: Solve for x
    x = 49,019,015,812,293,176/199,710,451.20
  6. Step 6: Final answer
    x = 245,450,428.45

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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.