Home / 99,630,032.40-149,445,048.60-98,286,339.60

Finding the Fourth Proportional to 99,630,032.40, 149,445,048.60 and 98,286,339.60

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Solution

The fourth proportional to 99,630,032.40, 149,445,048.60 and 98,286,339.60 is: 147,429,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,630,032.40 : 149,445,048.60 = 98,286,339.60 : x
  2. Step 2: Convert to fraction form
    99,630,032.40/149,445,048.60 = 98,286,339.60/x
  3. Step 3: Cross multiply
    99,630,032.40x = 149,445,048.60 × 98,286,339.60
  4. Step 4: Simplify right side
    99,630,032.40x = 14,688,406,798,238,104
  5. Step 5: Solve for x
    x = 14,688,406,798,238,104/99,630,032.40
  6. Step 6: Final answer
    x = 147,429,509.40

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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.