Home / 92,988,666.38-128,295,465.59-52,748,035.11

Finding the Fourth Proportional to 92,988,666.38, 128,295,465.59 and 52,748,035.11

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Solution

The fourth proportional to 92,988,666.38, 128,295,465.59 and 52,748,035.11 is: 72,775,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,988,666.38 : 128,295,465.59 = 52,748,035.11 : x
  2. Step 2: Convert to fraction form
    92,988,666.38/128,295,465.59 = 52,748,035.11/x
  3. Step 3: Cross multiply
    92,988,666.38x = 128,295,465.59 × 52,748,035.11
  4. Step 4: Simplify right side
    92,988,666.38x = 6,767,333,723,230,543
  5. Step 5: Solve for x
    x = 6,767,333,723,230,543/92,988,666.38
  6. Step 6: Final answer
    x = 72,775,898.26

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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.