Home / 429,044,059.40-643,566,089.10-141,829,723.40

Finding the Fourth Proportional to 429,044,059.40, 643,566,089.10 and 141,829,723.40

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Solution

The fourth proportional to 429,044,059.40, 643,566,089.10 and 141,829,723.40 is: 212,744,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,044,059.40 : 643,566,089.10 = 141,829,723.40 : x
  2. Step 2: Convert to fraction form
    429,044,059.40/643,566,089.10 = 141,829,723.40/x
  3. Step 3: Cross multiply
    429,044,059.40x = 643,566,089.10 × 141,829,723.40
  4. Step 4: Simplify right side
    429,044,059.40x = 91,276,800,406,672,768
  5. Step 5: Solve for x
    x = 91,276,800,406,672,768/429,044,059.40
  6. Step 6: Final answer
    x = 212,744,585.10

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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.