Home / 429,044,117.40-643,566,176.10-141,829,781.40

Finding the Fourth Proportional to 429,044,117.40, 643,566,176.10 and 141,829,781.40

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Solution

The fourth proportional to 429,044,117.40, 643,566,176.10 and 141,829,781.40 is: 212,744,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,044,117.40 : 643,566,176.10 = 141,829,781.40 : x
  2. Step 2: Convert to fraction form
    429,044,117.40/643,566,176.10 = 141,829,781.40/x
  3. Step 3: Cross multiply
    429,044,117.40x = 643,566,176.10 × 141,829,781.40
  4. Step 4: Simplify right side
    429,044,117.40x = 91,276,850,072,696,912
  5. Step 5: Solve for x
    x = 91,276,850,072,696,912/429,044,117.40
  6. Step 6: Final answer
    x = 212,744,672.10

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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.