Home / 105,549,688.48-145,658,468.64-59,140,275.16

Finding the Fourth Proportional to 105,549,688.48, 145,658,468.64 and 59,140,275.16

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Solution

The fourth proportional to 105,549,688.48, 145,658,468.64 and 59,140,275.16 is: 81,613,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,549,688.48 : 145,658,468.64 = 59,140,275.16 : x
  2. Step 2: Convert to fraction form
    105,549,688.48/145,658,468.64 = 59,140,275.16/x
  3. Step 3: Cross multiply
    105,549,688.48x = 145,658,468.64 × 59,140,275.16
  4. Step 4: Simplify right side
    105,549,688.48x = 8,614,281,914,753,830
  5. Step 5: Solve for x
    x = 8,614,281,914,753,830/105,549,688.48
  6. Step 6: Final answer
    x = 81,613,522.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.