Home / 157,464,133.10-236,196,199.65-99,643,352.30

Finding the Fourth Proportional to 157,464,133.10, 236,196,199.65 and 99,643,352.30

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Solution

The fourth proportional to 157,464,133.10, 236,196,199.65 and 99,643,352.30 is: 149,465,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,133.10 : 236,196,199.65 = 99,643,352.30 : x
  2. Step 2: Convert to fraction form
    157,464,133.10/236,196,199.65 = 99,643,352.30/x
  3. Step 3: Cross multiply
    157,464,133.10x = 236,196,199.65 × 99,643,352.30
  4. Step 4: Simplify right side
    157,464,133.10x = 23,535,381,133,646,088
  5. Step 5: Solve for x
    x = 23,535,381,133,646,088/157,464,133.10
  6. Step 6: Final answer
    x = 149,465,028.45

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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.