Home / 103,549,095.90-155,323,643.85-97,166,555.10

Finding the Fourth Proportional to 103,549,095.90, 155,323,643.85 and 97,166,555.10

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Solution

The fourth proportional to 103,549,095.90, 155,323,643.85 and 97,166,555.10 is: 145,749,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,095.90 : 155,323,643.85 = 97,166,555.10 : x
  2. Step 2: Convert to fraction form
    103,549,095.90/155,323,643.85 = 97,166,555.10/x
  3. Step 3: Cross multiply
    103,549,095.90x = 155,323,643.85 × 97,166,555.10
  4. Step 4: Simplify right side
    103,549,095.90x = 15,092,263,398,483,800
  5. Step 5: Solve for x
    x = 15,092,263,398,483,800/103,549,095.90
  6. Step 6: Final answer
    x = 145,749,832.65

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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.