Home / 84,989,322.90-127,483,984.35-66,495,176.10

Finding the Fourth Proportional to 84,989,322.90, 127,483,984.35 and 66,495,176.10

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Solution

The fourth proportional to 84,989,322.90, 127,483,984.35 and 66,495,176.10 is: 99,742,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,989,322.90 : 127,483,984.35 = 66,495,176.10 : x
  2. Step 2: Convert to fraction form
    84,989,322.90/127,483,984.35 = 66,495,176.10/x
  3. Step 3: Cross multiply
    84,989,322.90x = 127,483,984.35 × 66,495,176.10
  4. Step 4: Simplify right side
    84,989,322.90x = 8,477,069,989,282,894
  5. Step 5: Solve for x
    x = 8,477,069,989,282,894/84,989,322.90
  6. Step 6: Final answer
    x = 99,742,764.15

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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.