Home / 101,712,341.48-140,362,041.48-55,302,595.28

Finding the Fourth Proportional to 101,712,341.48, 140,362,041.48 and 55,302,595.28

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Solution

The fourth proportional to 101,712,341.48, 140,362,041.48 and 55,302,595.28 is: 76,317,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,712,341.48 : 140,362,041.48 = 55,302,595.28 : x
  2. Step 2: Convert to fraction form
    101,712,341.48/140,362,041.48 = 55,302,595.28/x
  3. Step 3: Cross multiply
    101,712,341.48x = 140,362,041.48 × 55,302,595.28
  4. Step 4: Simplify right side
    101,712,341.48x = 7,762,385,172,643,012
  5. Step 5: Solve for x
    x = 7,762,385,172,643,012/101,712,341.48
  6. Step 6: Final answer
    x = 76,317,043.34

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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.