Home / 78,897,428.47-108,878,598.80-44,090,118.95

Finding the Fourth Proportional to 78,897,428.47, 108,878,598.80 and 44,090,118.95

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Solution

The fourth proportional to 78,897,428.47, 108,878,598.80 and 44,090,118.95 is: 60,844,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,897,428.47 : 108,878,598.80 = 44,090,118.95 : x
  2. Step 2: Convert to fraction form
    78,897,428.47/108,878,598.80 = 44,090,118.95/x
  3. Step 3: Cross multiply
    78,897,428.47x = 108,878,598.80 × 44,090,118.95
  4. Step 4: Simplify right side
    78,897,428.47x = 4,800,470,371,767,159
  5. Step 5: Solve for x
    x = 4,800,470,371,767,159/78,897,428.47
  6. Step 6: Final answer
    x = 60,844,446.58

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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.