Home / 145,740,085.43-218,648,415.24-52,376,483.16

Finding the Fourth Proportional to 145,740,085.43, 218,648,415.24 and 52,376,483.16

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Solution

The fourth proportional to 145,740,085.43, 218,648,415.24 and 52,376,483.16 is: 78,578,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,740,085.43 : 218,648,415.24 = 52,376,483.16 : x
  2. Step 2: Convert to fraction form
    145,740,085.43/218,648,415.24 = 52,376,483.16/x
  3. Step 3: Cross multiply
    145,740,085.43x = 218,648,415.24 × 52,376,483.16
  4. Step 4: Simplify right side
    145,740,085.43x = 11,452,035,038,778,548
  5. Step 5: Solve for x
    x = 11,452,035,038,778,548/145,740,085.43
  6. Step 6: Final answer
    x = 78,578,484.47

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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.