Home / 113,513,398.12-156,648,483.40-61,302,428.76

Finding the Fourth Proportional to 113,513,398.12, 156,648,483.40 and 61,302,428.76

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Solution

The fourth proportional to 113,513,398.12, 156,648,483.40 and 61,302,428.76 is: 84,597,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513,398.12 : 156,648,483.40 = 61,302,428.76 : x
  2. Step 2: Convert to fraction form
    113,513,398.12/156,648,483.40 = 61,302,428.76/x
  3. Step 3: Cross multiply
    113,513,398.12x = 156,648,483.40 × 61,302,428.76
  4. Step 4: Simplify right side
    113,513,398.12x = 9,602,932,493,990,542
  5. Step 5: Solve for x
    x = 9,602,932,493,990,542/113,513,398.12
  6. Step 6: Final answer
    x = 84,597,348.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.