Home / 157,464,402.10-236,196,603.15-99,643,621.30

Finding the Fourth Proportional to 157,464,402.10, 236,196,603.15 and 99,643,621.30

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Solution

The fourth proportional to 157,464,402.10, 236,196,603.15 and 99,643,621.30 is: 149,465,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,402.10 : 236,196,603.15 = 99,643,621.30 : x
  2. Step 2: Convert to fraction form
    157,464,402.10/236,196,603.15 = 99,643,621.30/x
  3. Step 3: Cross multiply
    157,464,402.10x = 236,196,603.15 × 99,643,621.30
  4. Step 4: Simplify right side
    157,464,402.10x = 23,535,484,876,624,988
  5. Step 5: Solve for x
    x = 23,535,484,876,624,988/157,464,402.10
  6. Step 6: Final answer
    x = 149,465,431.95

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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.