Home / 74,013,127.11-102,134,068.98-40,516,126.14

Finding the Fourth Proportional to 74,013,127.11, 102,134,068.98 and 40,516,126.14

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Solution

The fourth proportional to 74,013,127.11, 102,134,068.98 and 40,516,126.14 is: 55,910,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013,127.11 : 102,134,068.98 = 40,516,126.14 : x
  2. Step 2: Convert to fraction form
    74,013,127.11/102,134,068.98 = 40,516,126.14/x
  3. Step 3: Cross multiply
    74,013,127.11x = 102,134,068.98 × 40,516,126.14
  4. Step 4: Simplify right side
    74,013,127.11x = 4,138,076,822,157,011
  5. Step 5: Solve for x
    x = 4,138,076,822,157,011/74,013,127.11
  6. Step 6: Final answer
    x = 55,910,038.98

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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.