Home / 402,004,509.12-602,748,682.50-156,099,118.98

Finding the Fourth Proportional to 402,004,509.12, 602,748,682.50 and 156,099,118.98

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Solution

The fourth proportional to 402,004,509.12, 602,748,682.50 and 156,099,118.98 is: 234,048,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004,509.12 : 602,748,682.50 = 156,099,118.98 : x
  2. Step 2: Convert to fraction form
    402,004,509.12/602,748,682.50 = 156,099,118.98/x
  3. Step 3: Cross multiply
    402,004,509.12x = 602,748,682.50 × 156,099,118.98
  4. Step 4: Simplify right side
    402,004,509.12x = 94,088,538,304,605,744
  5. Step 5: Solve for x
    x = 94,088,538,304,605,744/402,004,509.12
  6. Step 6: Final answer
    x = 234,048,465.05

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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.