Home / 249,003,547.20-373,505,320.80-76,480,083.90

Finding the Fourth Proportional to 249,003,547.20, 373,505,320.80 and 76,480,083.90

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Solution

The fourth proportional to 249,003,547.20, 373,505,320.80 and 76,480,083.90 is: 114,720,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,003,547.20 : 373,505,320.80 = 76,480,083.90 : x
  2. Step 2: Convert to fraction form
    249,003,547.20/373,505,320.80 = 76,480,083.90/x
  3. Step 3: Cross multiply
    249,003,547.20x = 373,505,320.80 × 76,480,083.90
  4. Step 4: Simplify right side
    249,003,547.20x = 28,565,718,271,880,420
  5. Step 5: Solve for x
    x = 28,565,718,271,880,420/249,003,547.20
  6. Step 6: Final answer
    x = 114,720,125.85

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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.