Home / 163,559,400.10-245,130,703.35-86,919,144.10

Finding the Fourth Proportional to 163,559,400.10, 245,130,703.35 and 86,919,144.10

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Solution

The fourth proportional to 163,559,400.10, 245,130,703.35 and 86,919,144.10 is: 130,267,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,559,400.10 : 245,130,703.35 = 86,919,144.10 : x
  2. Step 2: Convert to fraction form
    163,559,400.10/245,130,703.35 = 86,919,144.10/x
  3. Step 3: Cross multiply
    163,559,400.10x = 245,130,703.35 × 86,919,144.10
  4. Step 4: Simplify right side
    163,559,400.10x = 21,306,550,927,813,000
  5. Step 5: Solve for x
    x = 21,306,550,927,813,000/163,559,400.10
  6. Step 6: Final answer
    x = 130,267,969.40

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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.