Home / 117,456,031.80-176,184,047.70-86,845,030.20

Finding the Fourth Proportional to 117,456,031.80, 176,184,047.70 and 86,845,030.20

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Solution

The fourth proportional to 117,456,031.80, 176,184,047.70 and 86,845,030.20 is: 130,267,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456,031.80 : 176,184,047.70 = 86,845,030.20 : x
  2. Step 2: Convert to fraction form
    117,456,031.80/176,184,047.70 = 86,845,030.20/x
  3. Step 3: Cross multiply
    117,456,031.80x = 176,184,047.70 × 86,845,030.20
  4. Step 4: Simplify right side
    117,456,031.80x = 15,300,708,943,264,740
  5. Step 5: Solve for x
    x = 15,300,708,943,264,740/117,456,031.80
  6. Step 6: Final answer
    x = 130,267,545.30

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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.