Home / 403,248,421.80-604,447,479.90-157,510,103.40

Finding the Fourth Proportional to 403,248,421.80, 604,447,479.90 and 157,510,103.40

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Solution

The fourth proportional to 403,248,421.80, 604,447,479.90 and 157,510,103.40 is: 236,099,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,248,421.80 : 604,447,479.90 = 157,510,103.40 : x
  2. Step 2: Convert to fraction form
    403,248,421.80/604,447,479.90 = 157,510,103.40/x
  3. Step 3: Cross multiply
    403,248,421.80x = 604,447,479.90 × 157,510,103.40
  4. Step 4: Simplify right side
    403,248,421.80x = 95,206,585,058,918,416
  5. Step 5: Solve for x
    x = 95,206,585,058,918,416/403,248,421.80
  6. Step 6: Final answer
    x = 236,099,089.08

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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.